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/*
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* i386 translation
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include <signal.h> |
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#include <assert.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "helper.h" |
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#include "tcg-op.h" |
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|
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#define PREFIX_REPZ 0x01 |
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#define PREFIX_REPNZ 0x02 |
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#define PREFIX_LOCK 0x04 |
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#define PREFIX_DATA 0x08 |
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#define PREFIX_ADR 0x10 |
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|
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#ifdef TARGET_X86_64
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#define X86_64_ONLY(x) x
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#define X86_64_DEF(x...) x
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#define CODE64(s) ((s)->code64)
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#define REX_X(s) ((s)->rex_x)
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#define REX_B(s) ((s)->rex_b)
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/* XXX: gcc generates push/pop in some opcodes, so we cannot use them */
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#if 1 |
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#define BUGGY_64(x) NULL |
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#endif
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#else
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#define X86_64_ONLY(x) NULL |
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#define X86_64_DEF(x...)
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#define CODE64(s) 0 |
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#define REX_X(s) 0 |
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#define REX_B(s) 0 |
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#endif
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|
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//#define MACRO_TEST 1
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|
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/* global register indexes */
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static TCGv cpu_env, cpu_A0, cpu_cc_op, cpu_cc_src, cpu_cc_dst, cpu_cc_tmp;
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/* local temps */
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static TCGv cpu_T[2], cpu_T3; |
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/* local register indexes (only used inside old micro ops) */
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static TCGv cpu_tmp0, cpu_tmp1_i64, cpu_tmp2_i32, cpu_tmp3_i32, cpu_tmp4, cpu_ptr0, cpu_ptr1;
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static TCGv cpu_tmp5, cpu_tmp6;
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#include "gen-icount.h" |
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|
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#ifdef TARGET_X86_64
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static int x86_64_hregs; |
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#endif
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|
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typedef struct DisasContext { |
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/* current insn context */
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int override; /* -1 if no override */ |
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int prefix;
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int aflag, dflag;
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target_ulong pc; /* pc = eip + cs_base */
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int is_jmp; /* 1 = means jump (stop translation), 2 means CPU |
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static state change (stop translation) */
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/* current block context */
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target_ulong cs_base; /* base of CS segment */
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int pe; /* protected mode */ |
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int code32; /* 32 bit code segment */ |
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#ifdef TARGET_X86_64
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int lma; /* long mode active */ |
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int code64; /* 64 bit code segment */ |
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int rex_x, rex_b;
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#endif
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int ss32; /* 32 bit stack segment */ |
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int cc_op; /* current CC operation */ |
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int addseg; /* non zero if either DS/ES/SS have a non zero base */ |
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int f_st; /* currently unused */ |
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int vm86; /* vm86 mode */ |
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int cpl;
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int iopl;
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int tf; /* TF cpu flag */ |
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int singlestep_enabled; /* "hardware" single step enabled */ |
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int jmp_opt; /* use direct block chaining for direct jumps */ |
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int mem_index; /* select memory access functions */ |
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uint64_t flags; /* all execution flags */
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struct TranslationBlock *tb;
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int popl_esp_hack; /* for correct popl with esp base handling */ |
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int rip_offset; /* only used in x86_64, but left for simplicity */ |
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int cpuid_features;
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int cpuid_ext_features;
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int cpuid_ext2_features;
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int cpuid_ext3_features;
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} DisasContext; |
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|
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static void gen_eob(DisasContext *s); |
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static void gen_jmp(DisasContext *s, target_ulong eip); |
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static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num); |
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|
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/* i386 arith/logic operations */
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enum {
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OP_ADDL, |
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OP_ORL, |
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OP_ADCL, |
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OP_SBBL, |
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OP_ANDL, |
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OP_SUBL, |
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OP_XORL, |
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OP_CMPL, |
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}; |
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/* i386 shift ops */
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enum {
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OP_ROL, |
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OP_ROR, |
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OP_RCL, |
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OP_RCR, |
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OP_SHL, |
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OP_SHR, |
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OP_SHL1, /* undocumented */
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OP_SAR = 7,
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}; |
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enum {
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JCC_O, |
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JCC_B, |
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JCC_Z, |
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JCC_BE, |
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JCC_S, |
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JCC_P, |
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JCC_L, |
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JCC_LE, |
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}; |
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|
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/* operand size */
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enum {
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OT_BYTE = 0,
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OT_WORD, |
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OT_LONG, |
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OT_QUAD, |
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}; |
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enum {
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/* I386 int registers */
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OR_EAX, /* MUST be even numbered */
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OR_ECX, |
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OR_EDX, |
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OR_EBX, |
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OR_ESP, |
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OR_EBP, |
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OR_ESI, |
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OR_EDI, |
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OR_TMP0 = 16, /* temporary operand register */ |
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OR_TMP1, |
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OR_A0, /* temporary register used when doing address evaluation */
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}; |
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|
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static inline void gen_op_movl_T0_0(void) |
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{
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tcg_gen_movi_tl(cpu_T[0], 0); |
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} |
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static inline void gen_op_movl_T0_im(int32_t val) |
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{
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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|
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static inline void gen_op_movl_T0_imu(uint32_t val) |
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{
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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static inline void gen_op_movl_T1_im(int32_t val) |
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{
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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static inline void gen_op_movl_T1_imu(uint32_t val) |
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{
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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|
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static inline void gen_op_movl_A0_im(uint32_t val) |
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{
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tcg_gen_movi_tl(cpu_A0, val); |
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} |
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|
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#ifdef TARGET_X86_64
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static inline void gen_op_movq_A0_im(int64_t val) |
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{
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tcg_gen_movi_tl(cpu_A0, val); |
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} |
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#endif
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static inline void gen_movtl_T0_im(target_ulong val) |
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{
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tcg_gen_movi_tl(cpu_T[0], val);
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} |
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static inline void gen_movtl_T1_im(target_ulong val) |
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{
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tcg_gen_movi_tl(cpu_T[1], val);
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} |
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|
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static inline void gen_op_andl_T0_ffff(void) |
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{
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tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
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} |
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static inline void gen_op_andl_T0_im(uint32_t val) |
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{
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tcg_gen_andi_tl(cpu_T[0], cpu_T[0], val); |
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} |
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static inline void gen_op_movl_T0_T1(void) |
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{
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tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
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} |
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static inline void gen_op_andl_A0_ffff(void) |
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{
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tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffff);
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} |
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|
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#ifdef TARGET_X86_64
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#define NB_OP_SIZES 4 |
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#else /* !TARGET_X86_64 */ |
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#define NB_OP_SIZES 3 |
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#endif /* !TARGET_X86_64 */ |
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|
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#if defined(WORDS_BIGENDIAN)
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#define REG_B_OFFSET (sizeof(target_ulong) - 1) |
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#define REG_H_OFFSET (sizeof(target_ulong) - 2) |
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#define REG_W_OFFSET (sizeof(target_ulong) - 2) |
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#define REG_L_OFFSET (sizeof(target_ulong) - 4) |
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#define REG_LH_OFFSET (sizeof(target_ulong) - 8) |
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#else
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#define REG_B_OFFSET 0 |
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#define REG_H_OFFSET 1 |
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#define REG_W_OFFSET 0 |
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#define REG_L_OFFSET 0 |
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#define REG_LH_OFFSET 4 |
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#endif
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|
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static inline void gen_op_mov_reg_v(int ot, int reg, TCGv t0) |
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{
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switch(ot) {
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case OT_BYTE:
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if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { |
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tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_B_OFFSET); |
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} else {
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tcg_gen_st8_tl(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
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} |
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break;
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case OT_WORD:
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tcg_gen_st16_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
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break;
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#ifdef TARGET_X86_64
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case OT_LONG:
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tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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/* high part of register set to zero */
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tcg_gen_movi_tl(cpu_tmp0, 0);
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tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
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break;
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default:
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case OT_QUAD:
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tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
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#else
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default:
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case OT_LONG:
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tcg_gen_st32_tl(t0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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break;
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#endif
|
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} |
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} |
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|
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static inline void gen_op_mov_reg_T0(int ot, int reg) |
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{
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gen_op_mov_reg_v(ot, reg, cpu_T[0]);
|
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} |
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|
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static inline void gen_op_mov_reg_T1(int ot, int reg) |
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{
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gen_op_mov_reg_v(ot, reg, cpu_T[1]);
|
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} |
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|
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static inline void gen_op_mov_reg_A0(int size, int reg) |
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{
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switch(size) {
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case 0: |
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tcg_gen_st16_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
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break;
|
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#ifdef TARGET_X86_64
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case 1: |
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tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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/* high part of register set to zero */
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tcg_gen_movi_tl(cpu_tmp0, 0);
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tcg_gen_st32_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_LH_OFFSET); |
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break;
|
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default:
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case 2: |
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tcg_gen_st_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
|
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#else
|
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default:
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case 1: |
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tcg_gen_st32_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
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break;
|
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#endif
|
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} |
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} |
| 334 |
|
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static inline void gen_op_mov_v_reg(int ot, TCGv t0, int reg) |
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{
|
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switch(ot) {
|
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case OT_BYTE:
|
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if (reg < 4 X86_64_DEF( || reg >= 8 || x86_64_hregs)) { |
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goto std_case;
|
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} else {
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tcg_gen_ld8u_tl(t0, cpu_env, offsetof(CPUState, regs[reg - 4]) + REG_H_OFFSET);
|
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} |
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break;
|
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default:
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std_case:
|
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tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, regs[reg])); |
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break;
|
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} |
| 350 |
} |
| 351 |
|
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static inline void gen_op_mov_TN_reg(int ot, int t_index, int reg) |
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{
|
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gen_op_mov_v_reg(ot, cpu_T[t_index], reg); |
| 355 |
} |
| 356 |
|
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static inline void gen_op_movl_A0_reg(int reg) |
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{
|
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tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg]) + REG_L_OFFSET); |
| 360 |
} |
| 361 |
|
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static inline void gen_op_addl_A0_im(int32_t val) |
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{
|
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tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
| 365 |
#ifdef TARGET_X86_64
|
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tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
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#endif
|
| 368 |
} |
| 369 |
|
| 370 |
#ifdef TARGET_X86_64
|
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static inline void gen_op_addq_A0_im(int64_t val) |
| 372 |
{
|
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tcg_gen_addi_tl(cpu_A0, cpu_A0, val); |
| 374 |
} |
| 375 |
#endif
|
| 376 |
|
| 377 |
static void gen_add_A0_im(DisasContext *s, int val) |
| 378 |
{
|
| 379 |
#ifdef TARGET_X86_64
|
| 380 |
if (CODE64(s))
|
| 381 |
gen_op_addq_A0_im(val); |
| 382 |
else
|
| 383 |
#endif
|
| 384 |
gen_op_addl_A0_im(val); |
| 385 |
} |
| 386 |
|
| 387 |
static inline void gen_op_addl_T0_T1(void) |
| 388 |
{
|
| 389 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 390 |
} |
| 391 |
|
| 392 |
static inline void gen_op_jmp_T0(void) |
| 393 |
{
|
| 394 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, eip));
|
| 395 |
} |
| 396 |
|
| 397 |
static inline void gen_op_add_reg_im(int size, int reg, int32_t val) |
| 398 |
{
|
| 399 |
switch(size) {
|
| 400 |
case 0: |
| 401 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 402 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| 403 |
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
| 404 |
break;
|
| 405 |
case 1: |
| 406 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 407 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| 408 |
#ifdef TARGET_X86_64
|
| 409 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
|
| 410 |
#endif
|
| 411 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 412 |
break;
|
| 413 |
#ifdef TARGET_X86_64
|
| 414 |
case 2: |
| 415 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 416 |
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, val); |
| 417 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 418 |
break;
|
| 419 |
#endif
|
| 420 |
} |
| 421 |
} |
| 422 |
|
| 423 |
static inline void gen_op_add_reg_T0(int size, int reg) |
| 424 |
{
|
| 425 |
switch(size) {
|
| 426 |
case 0: |
| 427 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 428 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
| 429 |
tcg_gen_st16_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg]) + REG_W_OFFSET); |
| 430 |
break;
|
| 431 |
case 1: |
| 432 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 433 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
| 434 |
#ifdef TARGET_X86_64
|
| 435 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xffffffff);
|
| 436 |
#endif
|
| 437 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 438 |
break;
|
| 439 |
#ifdef TARGET_X86_64
|
| 440 |
case 2: |
| 441 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 442 |
tcg_gen_add_tl(cpu_tmp0, cpu_tmp0, cpu_T[0]);
|
| 443 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 444 |
break;
|
| 445 |
#endif
|
| 446 |
} |
| 447 |
} |
| 448 |
|
| 449 |
static inline void gen_op_set_cc_op(int32_t val) |
| 450 |
{
|
| 451 |
tcg_gen_movi_i32(cpu_cc_op, val); |
| 452 |
} |
| 453 |
|
| 454 |
static inline void gen_op_addl_A0_reg_sN(int shift, int reg) |
| 455 |
{
|
| 456 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 457 |
if (shift != 0) |
| 458 |
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
| 459 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| 460 |
#ifdef TARGET_X86_64
|
| 461 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
| 462 |
#endif
|
| 463 |
} |
| 464 |
|
| 465 |
static inline void gen_op_movl_A0_seg(int reg) |
| 466 |
{
|
| 467 |
tcg_gen_ld32u_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base) + REG_L_OFFSET); |
| 468 |
} |
| 469 |
|
| 470 |
static inline void gen_op_addl_A0_seg(int reg) |
| 471 |
{
|
| 472 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| 473 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| 474 |
#ifdef TARGET_X86_64
|
| 475 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
| 476 |
#endif
|
| 477 |
} |
| 478 |
|
| 479 |
#ifdef TARGET_X86_64
|
| 480 |
static inline void gen_op_movq_A0_seg(int reg) |
| 481 |
{
|
| 482 |
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| 483 |
} |
| 484 |
|
| 485 |
static inline void gen_op_addq_A0_seg(int reg) |
| 486 |
{
|
| 487 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, segs[reg].base)); |
| 488 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| 489 |
} |
| 490 |
|
| 491 |
static inline void gen_op_movq_A0_reg(int reg) |
| 492 |
{
|
| 493 |
tcg_gen_ld_tl(cpu_A0, cpu_env, offsetof(CPUState, regs[reg])); |
| 494 |
} |
| 495 |
|
| 496 |
static inline void gen_op_addq_A0_reg_sN(int shift, int reg) |
| 497 |
{
|
| 498 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[reg])); |
| 499 |
if (shift != 0) |
| 500 |
tcg_gen_shli_tl(cpu_tmp0, cpu_tmp0, shift); |
| 501 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_tmp0); |
| 502 |
} |
| 503 |
#endif
|
| 504 |
|
| 505 |
static inline void gen_op_lds_T0_A0(int idx) |
| 506 |
{
|
| 507 |
int mem_index = (idx >> 2) - 1; |
| 508 |
switch(idx & 3) { |
| 509 |
case 0: |
| 510 |
tcg_gen_qemu_ld8s(cpu_T[0], cpu_A0, mem_index);
|
| 511 |
break;
|
| 512 |
case 1: |
| 513 |
tcg_gen_qemu_ld16s(cpu_T[0], cpu_A0, mem_index);
|
| 514 |
break;
|
| 515 |
default:
|
| 516 |
case 2: |
| 517 |
tcg_gen_qemu_ld32s(cpu_T[0], cpu_A0, mem_index);
|
| 518 |
break;
|
| 519 |
} |
| 520 |
} |
| 521 |
|
| 522 |
static inline void gen_op_ld_v(int idx, TCGv t0, TCGv a0) |
| 523 |
{
|
| 524 |
int mem_index = (idx >> 2) - 1; |
| 525 |
switch(idx & 3) { |
| 526 |
case 0: |
| 527 |
tcg_gen_qemu_ld8u(t0, a0, mem_index); |
| 528 |
break;
|
| 529 |
case 1: |
| 530 |
tcg_gen_qemu_ld16u(t0, a0, mem_index); |
| 531 |
break;
|
| 532 |
case 2: |
| 533 |
tcg_gen_qemu_ld32u(t0, a0, mem_index); |
| 534 |
break;
|
| 535 |
default:
|
| 536 |
case 3: |
| 537 |
tcg_gen_qemu_ld64(t0, a0, mem_index); |
| 538 |
break;
|
| 539 |
} |
| 540 |
} |
| 541 |
|
| 542 |
/* XXX: always use ldu or lds */
|
| 543 |
static inline void gen_op_ld_T0_A0(int idx) |
| 544 |
{
|
| 545 |
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
| 546 |
} |
| 547 |
|
| 548 |
static inline void gen_op_ldu_T0_A0(int idx) |
| 549 |
{
|
| 550 |
gen_op_ld_v(idx, cpu_T[0], cpu_A0);
|
| 551 |
} |
| 552 |
|
| 553 |
static inline void gen_op_ld_T1_A0(int idx) |
| 554 |
{
|
| 555 |
gen_op_ld_v(idx, cpu_T[1], cpu_A0);
|
| 556 |
} |
| 557 |
|
| 558 |
static inline void gen_op_st_v(int idx, TCGv t0, TCGv a0) |
| 559 |
{
|
| 560 |
int mem_index = (idx >> 2) - 1; |
| 561 |
switch(idx & 3) { |
| 562 |
case 0: |
| 563 |
tcg_gen_qemu_st8(t0, a0, mem_index); |
| 564 |
break;
|
| 565 |
case 1: |
| 566 |
tcg_gen_qemu_st16(t0, a0, mem_index); |
| 567 |
break;
|
| 568 |
case 2: |
| 569 |
tcg_gen_qemu_st32(t0, a0, mem_index); |
| 570 |
break;
|
| 571 |
default:
|
| 572 |
case 3: |
| 573 |
tcg_gen_qemu_st64(t0, a0, mem_index); |
| 574 |
break;
|
| 575 |
} |
| 576 |
} |
| 577 |
|
| 578 |
static inline void gen_op_st_T0_A0(int idx) |
| 579 |
{
|
| 580 |
gen_op_st_v(idx, cpu_T[0], cpu_A0);
|
| 581 |
} |
| 582 |
|
| 583 |
static inline void gen_op_st_T1_A0(int idx) |
| 584 |
{
|
| 585 |
gen_op_st_v(idx, cpu_T[1], cpu_A0);
|
| 586 |
} |
| 587 |
|
| 588 |
static inline void gen_jmp_im(target_ulong pc) |
| 589 |
{
|
| 590 |
tcg_gen_movi_tl(cpu_tmp0, pc); |
| 591 |
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, eip)); |
| 592 |
} |
| 593 |
|
| 594 |
static inline void gen_string_movl_A0_ESI(DisasContext *s) |
| 595 |
{
|
| 596 |
int override;
|
| 597 |
|
| 598 |
override = s->override; |
| 599 |
#ifdef TARGET_X86_64
|
| 600 |
if (s->aflag == 2) { |
| 601 |
if (override >= 0) { |
| 602 |
gen_op_movq_A0_seg(override); |
| 603 |
gen_op_addq_A0_reg_sN(0, R_ESI);
|
| 604 |
} else {
|
| 605 |
gen_op_movq_A0_reg(R_ESI); |
| 606 |
} |
| 607 |
} else
|
| 608 |
#endif
|
| 609 |
if (s->aflag) {
|
| 610 |
/* 32 bit address */
|
| 611 |
if (s->addseg && override < 0) |
| 612 |
override = R_DS; |
| 613 |
if (override >= 0) { |
| 614 |
gen_op_movl_A0_seg(override); |
| 615 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
| 616 |
} else {
|
| 617 |
gen_op_movl_A0_reg(R_ESI); |
| 618 |
} |
| 619 |
} else {
|
| 620 |
/* 16 address, always override */
|
| 621 |
if (override < 0) |
| 622 |
override = R_DS; |
| 623 |
gen_op_movl_A0_reg(R_ESI); |
| 624 |
gen_op_andl_A0_ffff(); |
| 625 |
gen_op_addl_A0_seg(override); |
| 626 |
} |
| 627 |
} |
| 628 |
|
| 629 |
static inline void gen_string_movl_A0_EDI(DisasContext *s) |
| 630 |
{
|
| 631 |
#ifdef TARGET_X86_64
|
| 632 |
if (s->aflag == 2) { |
| 633 |
gen_op_movq_A0_reg(R_EDI); |
| 634 |
} else
|
| 635 |
#endif
|
| 636 |
if (s->aflag) {
|
| 637 |
if (s->addseg) {
|
| 638 |
gen_op_movl_A0_seg(R_ES); |
| 639 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
| 640 |
} else {
|
| 641 |
gen_op_movl_A0_reg(R_EDI); |
| 642 |
} |
| 643 |
} else {
|
| 644 |
gen_op_movl_A0_reg(R_EDI); |
| 645 |
gen_op_andl_A0_ffff(); |
| 646 |
gen_op_addl_A0_seg(R_ES); |
| 647 |
} |
| 648 |
} |
| 649 |
|
| 650 |
static inline void gen_op_movl_T0_Dshift(int ot) |
| 651 |
{
|
| 652 |
tcg_gen_ld32s_tl(cpu_T[0], cpu_env, offsetof(CPUState, df));
|
| 653 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], ot); |
| 654 |
}; |
| 655 |
|
| 656 |
static void gen_extu(int ot, TCGv reg) |
| 657 |
{
|
| 658 |
switch(ot) {
|
| 659 |
case OT_BYTE:
|
| 660 |
tcg_gen_ext8u_tl(reg, reg); |
| 661 |
break;
|
| 662 |
case OT_WORD:
|
| 663 |
tcg_gen_ext16u_tl(reg, reg); |
| 664 |
break;
|
| 665 |
case OT_LONG:
|
| 666 |
tcg_gen_ext32u_tl(reg, reg); |
| 667 |
break;
|
| 668 |
default:
|
| 669 |
break;
|
| 670 |
} |
| 671 |
} |
| 672 |
|
| 673 |
static void gen_exts(int ot, TCGv reg) |
| 674 |
{
|
| 675 |
switch(ot) {
|
| 676 |
case OT_BYTE:
|
| 677 |
tcg_gen_ext8s_tl(reg, reg); |
| 678 |
break;
|
| 679 |
case OT_WORD:
|
| 680 |
tcg_gen_ext16s_tl(reg, reg); |
| 681 |
break;
|
| 682 |
case OT_LONG:
|
| 683 |
tcg_gen_ext32s_tl(reg, reg); |
| 684 |
break;
|
| 685 |
default:
|
| 686 |
break;
|
| 687 |
} |
| 688 |
} |
| 689 |
|
| 690 |
static inline void gen_op_jnz_ecx(int size, int label1) |
| 691 |
{
|
| 692 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
| 693 |
gen_extu(size + 1, cpu_tmp0);
|
| 694 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_tmp0, 0, label1);
|
| 695 |
} |
| 696 |
|
| 697 |
static inline void gen_op_jz_ecx(int size, int label1) |
| 698 |
{
|
| 699 |
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUState, regs[R_ECX])); |
| 700 |
gen_extu(size + 1, cpu_tmp0);
|
| 701 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_tmp0, 0, label1);
|
| 702 |
} |
| 703 |
|
| 704 |
static void *helper_in_func[3] = { |
| 705 |
helper_inb, |
| 706 |
helper_inw, |
| 707 |
helper_inl, |
| 708 |
}; |
| 709 |
|
| 710 |
static void *helper_out_func[3] = { |
| 711 |
helper_outb, |
| 712 |
helper_outw, |
| 713 |
helper_outl, |
| 714 |
}; |
| 715 |
|
| 716 |
static void *gen_check_io_func[3] = { |
| 717 |
helper_check_iob, |
| 718 |
helper_check_iow, |
| 719 |
helper_check_iol, |
| 720 |
}; |
| 721 |
|
| 722 |
static void gen_check_io(DisasContext *s, int ot, target_ulong cur_eip, |
| 723 |
uint32_t svm_flags) |
| 724 |
{
|
| 725 |
int state_saved;
|
| 726 |
target_ulong next_eip; |
| 727 |
|
| 728 |
state_saved = 0;
|
| 729 |
if (s->pe && (s->cpl > s->iopl || s->vm86)) {
|
| 730 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 731 |
gen_op_set_cc_op(s->cc_op); |
| 732 |
gen_jmp_im(cur_eip); |
| 733 |
state_saved = 1;
|
| 734 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 735 |
tcg_gen_helper_0_1(gen_check_io_func[ot], |
| 736 |
cpu_tmp2_i32); |
| 737 |
} |
| 738 |
if(s->flags & HF_SVMI_MASK) {
|
| 739 |
if (!state_saved) {
|
| 740 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 741 |
gen_op_set_cc_op(s->cc_op); |
| 742 |
gen_jmp_im(cur_eip); |
| 743 |
state_saved = 1;
|
| 744 |
} |
| 745 |
svm_flags |= (1 << (4 + ot)); |
| 746 |
next_eip = s->pc - s->cs_base; |
| 747 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 748 |
tcg_gen_helper_0_3(helper_svm_check_io, |
| 749 |
cpu_tmp2_i32, |
| 750 |
tcg_const_i32(svm_flags), |
| 751 |
tcg_const_i32(next_eip - cur_eip)); |
| 752 |
} |
| 753 |
} |
| 754 |
|
| 755 |
static inline void gen_movs(DisasContext *s, int ot) |
| 756 |
{
|
| 757 |
gen_string_movl_A0_ESI(s); |
| 758 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 759 |
gen_string_movl_A0_EDI(s); |
| 760 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 761 |
gen_op_movl_T0_Dshift(ot); |
| 762 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
| 763 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
| 764 |
} |
| 765 |
|
| 766 |
static inline void gen_update_cc_op(DisasContext *s) |
| 767 |
{
|
| 768 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
| 769 |
gen_op_set_cc_op(s->cc_op); |
| 770 |
s->cc_op = CC_OP_DYNAMIC; |
| 771 |
} |
| 772 |
} |
| 773 |
|
| 774 |
static void gen_op_update1_cc(void) |
| 775 |
{
|
| 776 |
tcg_gen_discard_tl(cpu_cc_src); |
| 777 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 778 |
} |
| 779 |
|
| 780 |
static void gen_op_update2_cc(void) |
| 781 |
{
|
| 782 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
| 783 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 784 |
} |
| 785 |
|
| 786 |
static inline void gen_op_cmpl_T0_T1_cc(void) |
| 787 |
{
|
| 788 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
| 789 |
tcg_gen_sub_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
| 790 |
} |
| 791 |
|
| 792 |
static inline void gen_op_testl_T0_T1_cc(void) |
| 793 |
{
|
| 794 |
tcg_gen_discard_tl(cpu_cc_src); |
| 795 |
tcg_gen_and_tl(cpu_cc_dst, cpu_T[0], cpu_T[1]); |
| 796 |
} |
| 797 |
|
| 798 |
static void gen_op_update_neg_cc(void) |
| 799 |
{
|
| 800 |
tcg_gen_neg_tl(cpu_cc_src, cpu_T[0]);
|
| 801 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 802 |
} |
| 803 |
|
| 804 |
/* compute eflags.C to reg */
|
| 805 |
static void gen_compute_eflags_c(TCGv reg) |
| 806 |
{
|
| 807 |
#if TCG_TARGET_REG_BITS == 32 |
| 808 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
| 809 |
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
| 810 |
(long)cc_table + offsetof(CCTable, compute_c));
|
| 811 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
| 812 |
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
| 813 |
1, &cpu_tmp2_i32, 0, NULL); |
| 814 |
#else
|
| 815 |
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
| 816 |
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
| 817 |
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
| 818 |
(long)cc_table + offsetof(CCTable, compute_c));
|
| 819 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
| 820 |
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
| 821 |
1, &cpu_tmp2_i32, 0, NULL); |
| 822 |
#endif
|
| 823 |
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
| 824 |
} |
| 825 |
|
| 826 |
/* compute all eflags to cc_src */
|
| 827 |
static void gen_compute_eflags(TCGv reg) |
| 828 |
{
|
| 829 |
#if TCG_TARGET_REG_BITS == 32 |
| 830 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_cc_op, 3);
|
| 831 |
tcg_gen_addi_i32(cpu_tmp2_i32, cpu_tmp2_i32, |
| 832 |
(long)cc_table + offsetof(CCTable, compute_all));
|
| 833 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0);
|
| 834 |
tcg_gen_call(&tcg_ctx, cpu_tmp2_i32, TCG_CALL_PURE, |
| 835 |
1, &cpu_tmp2_i32, 0, NULL); |
| 836 |
#else
|
| 837 |
tcg_gen_extu_i32_tl(cpu_tmp1_i64, cpu_cc_op); |
| 838 |
tcg_gen_shli_i64(cpu_tmp1_i64, cpu_tmp1_i64, 4);
|
| 839 |
tcg_gen_addi_i64(cpu_tmp1_i64, cpu_tmp1_i64, |
| 840 |
(long)cc_table + offsetof(CCTable, compute_all));
|
| 841 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_tmp1_i64, 0);
|
| 842 |
tcg_gen_call(&tcg_ctx, cpu_tmp1_i64, TCG_CALL_PURE, |
| 843 |
1, &cpu_tmp2_i32, 0, NULL); |
| 844 |
#endif
|
| 845 |
tcg_gen_extu_i32_tl(reg, cpu_tmp2_i32); |
| 846 |
} |
| 847 |
|
| 848 |
static inline void gen_setcc_slow_T0(DisasContext *s, int jcc_op) |
| 849 |
{
|
| 850 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 851 |
gen_op_set_cc_op(s->cc_op); |
| 852 |
switch(jcc_op) {
|
| 853 |
case JCC_O:
|
| 854 |
gen_compute_eflags(cpu_T[0]);
|
| 855 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 11); |
| 856 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 857 |
break;
|
| 858 |
case JCC_B:
|
| 859 |
gen_compute_eflags_c(cpu_T[0]);
|
| 860 |
break;
|
| 861 |
case JCC_Z:
|
| 862 |
gen_compute_eflags(cpu_T[0]);
|
| 863 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 6); |
| 864 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 865 |
break;
|
| 866 |
case JCC_BE:
|
| 867 |
gen_compute_eflags(cpu_tmp0); |
| 868 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 6); |
| 869 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| 870 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 871 |
break;
|
| 872 |
case JCC_S:
|
| 873 |
gen_compute_eflags(cpu_T[0]);
|
| 874 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 7); |
| 875 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 876 |
break;
|
| 877 |
case JCC_P:
|
| 878 |
gen_compute_eflags(cpu_T[0]);
|
| 879 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 2); |
| 880 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 881 |
break;
|
| 882 |
case JCC_L:
|
| 883 |
gen_compute_eflags(cpu_tmp0); |
| 884 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
| 885 |
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 7); /* CC_S */ |
| 886 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| 887 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 888 |
break;
|
| 889 |
default:
|
| 890 |
case JCC_LE:
|
| 891 |
gen_compute_eflags(cpu_tmp0); |
| 892 |
tcg_gen_shri_tl(cpu_T[0], cpu_tmp0, 11); /* CC_O */ |
| 893 |
tcg_gen_shri_tl(cpu_tmp4, cpu_tmp0, 7); /* CC_S */ |
| 894 |
tcg_gen_shri_tl(cpu_tmp0, cpu_tmp0, 6); /* CC_Z */ |
| 895 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| 896 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_tmp0); |
| 897 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 1); |
| 898 |
break;
|
| 899 |
} |
| 900 |
} |
| 901 |
|
| 902 |
/* return true if setcc_slow is not needed (WARNING: must be kept in
|
| 903 |
sync with gen_jcc1) */
|
| 904 |
static int is_fast_jcc_case(DisasContext *s, int b) |
| 905 |
{
|
| 906 |
int jcc_op;
|
| 907 |
jcc_op = (b >> 1) & 7; |
| 908 |
switch(s->cc_op) {
|
| 909 |
/* we optimize the cmp/jcc case */
|
| 910 |
case CC_OP_SUBB:
|
| 911 |
case CC_OP_SUBW:
|
| 912 |
case CC_OP_SUBL:
|
| 913 |
case CC_OP_SUBQ:
|
| 914 |
if (jcc_op == JCC_O || jcc_op == JCC_P)
|
| 915 |
goto slow_jcc;
|
| 916 |
break;
|
| 917 |
|
| 918 |
/* some jumps are easy to compute */
|
| 919 |
case CC_OP_ADDB:
|
| 920 |
case CC_OP_ADDW:
|
| 921 |
case CC_OP_ADDL:
|
| 922 |
case CC_OP_ADDQ:
|
| 923 |
|
| 924 |
case CC_OP_LOGICB:
|
| 925 |
case CC_OP_LOGICW:
|
| 926 |
case CC_OP_LOGICL:
|
| 927 |
case CC_OP_LOGICQ:
|
| 928 |
|
| 929 |
case CC_OP_INCB:
|
| 930 |
case CC_OP_INCW:
|
| 931 |
case CC_OP_INCL:
|
| 932 |
case CC_OP_INCQ:
|
| 933 |
|
| 934 |
case CC_OP_DECB:
|
| 935 |
case CC_OP_DECW:
|
| 936 |
case CC_OP_DECL:
|
| 937 |
case CC_OP_DECQ:
|
| 938 |
|
| 939 |
case CC_OP_SHLB:
|
| 940 |
case CC_OP_SHLW:
|
| 941 |
case CC_OP_SHLL:
|
| 942 |
case CC_OP_SHLQ:
|
| 943 |
if (jcc_op != JCC_Z && jcc_op != JCC_S)
|
| 944 |
goto slow_jcc;
|
| 945 |
break;
|
| 946 |
default:
|
| 947 |
slow_jcc:
|
| 948 |
return 0; |
| 949 |
} |
| 950 |
return 1; |
| 951 |
} |
| 952 |
|
| 953 |
/* generate a conditional jump to label 'l1' according to jump opcode
|
| 954 |
value 'b'. In the fast case, T0 is guaranted not to be used. */
|
| 955 |
static inline void gen_jcc1(DisasContext *s, int cc_op, int b, int l1) |
| 956 |
{
|
| 957 |
int inv, jcc_op, size, cond;
|
| 958 |
TCGv t0; |
| 959 |
|
| 960 |
inv = b & 1;
|
| 961 |
jcc_op = (b >> 1) & 7; |
| 962 |
|
| 963 |
switch(cc_op) {
|
| 964 |
/* we optimize the cmp/jcc case */
|
| 965 |
case CC_OP_SUBB:
|
| 966 |
case CC_OP_SUBW:
|
| 967 |
case CC_OP_SUBL:
|
| 968 |
case CC_OP_SUBQ:
|
| 969 |
|
| 970 |
size = cc_op - CC_OP_SUBB; |
| 971 |
switch(jcc_op) {
|
| 972 |
case JCC_Z:
|
| 973 |
fast_jcc_z:
|
| 974 |
switch(size) {
|
| 975 |
case 0: |
| 976 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xff);
|
| 977 |
t0 = cpu_tmp0; |
| 978 |
break;
|
| 979 |
case 1: |
| 980 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffff);
|
| 981 |
t0 = cpu_tmp0; |
| 982 |
break;
|
| 983 |
#ifdef TARGET_X86_64
|
| 984 |
case 2: |
| 985 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0xffffffff);
|
| 986 |
t0 = cpu_tmp0; |
| 987 |
break;
|
| 988 |
#endif
|
| 989 |
default:
|
| 990 |
t0 = cpu_cc_dst; |
| 991 |
break;
|
| 992 |
} |
| 993 |
tcg_gen_brcondi_tl(inv ? TCG_COND_NE : TCG_COND_EQ, t0, 0, l1);
|
| 994 |
break;
|
| 995 |
case JCC_S:
|
| 996 |
fast_jcc_s:
|
| 997 |
switch(size) {
|
| 998 |
case 0: |
| 999 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80);
|
| 1000 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 1001 |
0, l1);
|
| 1002 |
break;
|
| 1003 |
case 1: |
| 1004 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x8000);
|
| 1005 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 1006 |
0, l1);
|
| 1007 |
break;
|
| 1008 |
#ifdef TARGET_X86_64
|
| 1009 |
case 2: |
| 1010 |
tcg_gen_andi_tl(cpu_tmp0, cpu_cc_dst, 0x80000000);
|
| 1011 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, cpu_tmp0, |
| 1012 |
0, l1);
|
| 1013 |
break;
|
| 1014 |
#endif
|
| 1015 |
default:
|
| 1016 |
tcg_gen_brcondi_tl(inv ? TCG_COND_GE : TCG_COND_LT, cpu_cc_dst, |
| 1017 |
0, l1);
|
| 1018 |
break;
|
| 1019 |
} |
| 1020 |
break;
|
| 1021 |
|
| 1022 |
case JCC_B:
|
| 1023 |
cond = inv ? TCG_COND_GEU : TCG_COND_LTU; |
| 1024 |
goto fast_jcc_b;
|
| 1025 |
case JCC_BE:
|
| 1026 |
cond = inv ? TCG_COND_GTU : TCG_COND_LEU; |
| 1027 |
fast_jcc_b:
|
| 1028 |
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
| 1029 |
switch(size) {
|
| 1030 |
case 0: |
| 1031 |
t0 = cpu_tmp0; |
| 1032 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xff);
|
| 1033 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xff);
|
| 1034 |
break;
|
| 1035 |
case 1: |
| 1036 |
t0 = cpu_tmp0; |
| 1037 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffff);
|
| 1038 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffff);
|
| 1039 |
break;
|
| 1040 |
#ifdef TARGET_X86_64
|
| 1041 |
case 2: |
| 1042 |
t0 = cpu_tmp0; |
| 1043 |
tcg_gen_andi_tl(cpu_tmp4, cpu_tmp4, 0xffffffff);
|
| 1044 |
tcg_gen_andi_tl(t0, cpu_cc_src, 0xffffffff);
|
| 1045 |
break;
|
| 1046 |
#endif
|
| 1047 |
default:
|
| 1048 |
t0 = cpu_cc_src; |
| 1049 |
break;
|
| 1050 |
} |
| 1051 |
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
| 1052 |
break;
|
| 1053 |
|
| 1054 |
case JCC_L:
|
| 1055 |
cond = inv ? TCG_COND_GE : TCG_COND_LT; |
| 1056 |
goto fast_jcc_l;
|
| 1057 |
case JCC_LE:
|
| 1058 |
cond = inv ? TCG_COND_GT : TCG_COND_LE; |
| 1059 |
fast_jcc_l:
|
| 1060 |
tcg_gen_add_tl(cpu_tmp4, cpu_cc_dst, cpu_cc_src); |
| 1061 |
switch(size) {
|
| 1062 |
case 0: |
| 1063 |
t0 = cpu_tmp0; |
| 1064 |
tcg_gen_ext8s_tl(cpu_tmp4, cpu_tmp4); |
| 1065 |
tcg_gen_ext8s_tl(t0, cpu_cc_src); |
| 1066 |
break;
|
| 1067 |
case 1: |
| 1068 |
t0 = cpu_tmp0; |
| 1069 |
tcg_gen_ext16s_tl(cpu_tmp4, cpu_tmp4); |
| 1070 |
tcg_gen_ext16s_tl(t0, cpu_cc_src); |
| 1071 |
break;
|
| 1072 |
#ifdef TARGET_X86_64
|
| 1073 |
case 2: |
| 1074 |
t0 = cpu_tmp0; |
| 1075 |
tcg_gen_ext32s_tl(cpu_tmp4, cpu_tmp4); |
| 1076 |
tcg_gen_ext32s_tl(t0, cpu_cc_src); |
| 1077 |
break;
|
| 1078 |
#endif
|
| 1079 |
default:
|
| 1080 |
t0 = cpu_cc_src; |
| 1081 |
break;
|
| 1082 |
} |
| 1083 |
tcg_gen_brcond_tl(cond, cpu_tmp4, t0, l1); |
| 1084 |
break;
|
| 1085 |
|
| 1086 |
default:
|
| 1087 |
goto slow_jcc;
|
| 1088 |
} |
| 1089 |
break;
|
| 1090 |
|
| 1091 |
/* some jumps are easy to compute */
|
| 1092 |
case CC_OP_ADDB:
|
| 1093 |
case CC_OP_ADDW:
|
| 1094 |
case CC_OP_ADDL:
|
| 1095 |
case CC_OP_ADDQ:
|
| 1096 |
|
| 1097 |
case CC_OP_ADCB:
|
| 1098 |
case CC_OP_ADCW:
|
| 1099 |
case CC_OP_ADCL:
|
| 1100 |
case CC_OP_ADCQ:
|
| 1101 |
|
| 1102 |
case CC_OP_SBBB:
|
| 1103 |
case CC_OP_SBBW:
|
| 1104 |
case CC_OP_SBBL:
|
| 1105 |
case CC_OP_SBBQ:
|
| 1106 |
|
| 1107 |
case CC_OP_LOGICB:
|
| 1108 |
case CC_OP_LOGICW:
|
| 1109 |
case CC_OP_LOGICL:
|
| 1110 |
case CC_OP_LOGICQ:
|
| 1111 |
|
| 1112 |
case CC_OP_INCB:
|
| 1113 |
case CC_OP_INCW:
|
| 1114 |
case CC_OP_INCL:
|
| 1115 |
case CC_OP_INCQ:
|
| 1116 |
|
| 1117 |
case CC_OP_DECB:
|
| 1118 |
case CC_OP_DECW:
|
| 1119 |
case CC_OP_DECL:
|
| 1120 |
case CC_OP_DECQ:
|
| 1121 |
|
| 1122 |
case CC_OP_SHLB:
|
| 1123 |
case CC_OP_SHLW:
|
| 1124 |
case CC_OP_SHLL:
|
| 1125 |
case CC_OP_SHLQ:
|
| 1126 |
|
| 1127 |
case CC_OP_SARB:
|
| 1128 |
case CC_OP_SARW:
|
| 1129 |
case CC_OP_SARL:
|
| 1130 |
case CC_OP_SARQ:
|
| 1131 |
switch(jcc_op) {
|
| 1132 |
case JCC_Z:
|
| 1133 |
size = (cc_op - CC_OP_ADDB) & 3;
|
| 1134 |
goto fast_jcc_z;
|
| 1135 |
case JCC_S:
|
| 1136 |
size = (cc_op - CC_OP_ADDB) & 3;
|
| 1137 |
goto fast_jcc_s;
|
| 1138 |
default:
|
| 1139 |
goto slow_jcc;
|
| 1140 |
} |
| 1141 |
break;
|
| 1142 |
default:
|
| 1143 |
slow_jcc:
|
| 1144 |
gen_setcc_slow_T0(s, jcc_op); |
| 1145 |
tcg_gen_brcondi_tl(inv ? TCG_COND_EQ : TCG_COND_NE, |
| 1146 |
cpu_T[0], 0, l1); |
| 1147 |
break;
|
| 1148 |
} |
| 1149 |
} |
| 1150 |
|
| 1151 |
/* XXX: does not work with gdbstub "ice" single step - not a
|
| 1152 |
serious problem */
|
| 1153 |
static int gen_jz_ecx_string(DisasContext *s, target_ulong next_eip) |
| 1154 |
{
|
| 1155 |
int l1, l2;
|
| 1156 |
|
| 1157 |
l1 = gen_new_label(); |
| 1158 |
l2 = gen_new_label(); |
| 1159 |
gen_op_jnz_ecx(s->aflag, l1); |
| 1160 |
gen_set_label(l2); |
| 1161 |
gen_jmp_tb(s, next_eip, 1);
|
| 1162 |
gen_set_label(l1); |
| 1163 |
return l2;
|
| 1164 |
} |
| 1165 |
|
| 1166 |
static inline void gen_stos(DisasContext *s, int ot) |
| 1167 |
{
|
| 1168 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
| 1169 |
gen_string_movl_A0_EDI(s); |
| 1170 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1171 |
gen_op_movl_T0_Dshift(ot); |
| 1172 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
| 1173 |
} |
| 1174 |
|
| 1175 |
static inline void gen_lods(DisasContext *s, int ot) |
| 1176 |
{
|
| 1177 |
gen_string_movl_A0_ESI(s); |
| 1178 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1179 |
gen_op_mov_reg_T0(ot, R_EAX); |
| 1180 |
gen_op_movl_T0_Dshift(ot); |
| 1181 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
| 1182 |
} |
| 1183 |
|
| 1184 |
static inline void gen_scas(DisasContext *s, int ot) |
| 1185 |
{
|
| 1186 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
| 1187 |
gen_string_movl_A0_EDI(s); |
| 1188 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 1189 |
gen_op_cmpl_T0_T1_cc(); |
| 1190 |
gen_op_movl_T0_Dshift(ot); |
| 1191 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
| 1192 |
} |
| 1193 |
|
| 1194 |
static inline void gen_cmps(DisasContext *s, int ot) |
| 1195 |
{
|
| 1196 |
gen_string_movl_A0_ESI(s); |
| 1197 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1198 |
gen_string_movl_A0_EDI(s); |
| 1199 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 1200 |
gen_op_cmpl_T0_T1_cc(); |
| 1201 |
gen_op_movl_T0_Dshift(ot); |
| 1202 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
| 1203 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
| 1204 |
} |
| 1205 |
|
| 1206 |
static inline void gen_ins(DisasContext *s, int ot) |
| 1207 |
{
|
| 1208 |
if (use_icount)
|
| 1209 |
gen_io_start(); |
| 1210 |
gen_string_movl_A0_EDI(s); |
| 1211 |
/* Note: we must do this dummy write first to be restartable in
|
| 1212 |
case of page fault. */
|
| 1213 |
gen_op_movl_T0_0(); |
| 1214 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1215 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
| 1216 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
| 1217 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
| 1218 |
tcg_gen_helper_1_1(helper_in_func[ot], cpu_T[0], cpu_tmp2_i32);
|
| 1219 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1220 |
gen_op_movl_T0_Dshift(ot); |
| 1221 |
gen_op_add_reg_T0(s->aflag, R_EDI); |
| 1222 |
if (use_icount)
|
| 1223 |
gen_io_end(); |
| 1224 |
} |
| 1225 |
|
| 1226 |
static inline void gen_outs(DisasContext *s, int ot) |
| 1227 |
{
|
| 1228 |
if (use_icount)
|
| 1229 |
gen_io_start(); |
| 1230 |
gen_string_movl_A0_ESI(s); |
| 1231 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1232 |
|
| 1233 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EDX);
|
| 1234 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[1]);
|
| 1235 |
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
|
| 1236 |
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T[0]);
|
| 1237 |
tcg_gen_helper_0_2(helper_out_func[ot], cpu_tmp2_i32, cpu_tmp3_i32); |
| 1238 |
|
| 1239 |
gen_op_movl_T0_Dshift(ot); |
| 1240 |
gen_op_add_reg_T0(s->aflag, R_ESI); |
| 1241 |
if (use_icount)
|
| 1242 |
gen_io_end(); |
| 1243 |
} |
| 1244 |
|
| 1245 |
/* same method as Valgrind : we generate jumps to current or next
|
| 1246 |
instruction */
|
| 1247 |
#define GEN_REPZ(op) \
|
| 1248 |
static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
| 1249 |
target_ulong cur_eip, target_ulong next_eip) \ |
| 1250 |
{ \
|
| 1251 |
int l2;\
|
| 1252 |
gen_update_cc_op(s); \ |
| 1253 |
l2 = gen_jz_ecx_string(s, next_eip); \ |
| 1254 |
gen_ ## op(s, ot); \ |
| 1255 |
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
| 1256 |
/* a loop would cause two single step exceptions if ECX = 1 \
|
| 1257 |
before rep string_insn */ \
|
| 1258 |
if (!s->jmp_opt) \
|
| 1259 |
gen_op_jz_ecx(s->aflag, l2); \ |
| 1260 |
gen_jmp(s, cur_eip); \ |
| 1261 |
} |
| 1262 |
|
| 1263 |
#define GEN_REPZ2(op) \
|
| 1264 |
static inline void gen_repz_ ## op(DisasContext *s, int ot, \ |
| 1265 |
target_ulong cur_eip, \ |
| 1266 |
target_ulong next_eip, \ |
| 1267 |
int nz) \
|
| 1268 |
{ \
|
| 1269 |
int l2;\
|
| 1270 |
gen_update_cc_op(s); \ |
| 1271 |
l2 = gen_jz_ecx_string(s, next_eip); \ |
| 1272 |
gen_ ## op(s, ot); \ |
| 1273 |
gen_op_add_reg_im(s->aflag, R_ECX, -1); \
|
| 1274 |
gen_op_set_cc_op(CC_OP_SUBB + ot); \ |
| 1275 |
gen_jcc1(s, CC_OP_SUBB + ot, (JCC_Z << 1) | (nz ^ 1), l2); \ |
| 1276 |
if (!s->jmp_opt) \
|
| 1277 |
gen_op_jz_ecx(s->aflag, l2); \ |
| 1278 |
gen_jmp(s, cur_eip); \ |
| 1279 |
} |
| 1280 |
|
| 1281 |
GEN_REPZ(movs) |
| 1282 |
GEN_REPZ(stos) |
| 1283 |
GEN_REPZ(lods) |
| 1284 |
GEN_REPZ(ins) |
| 1285 |
GEN_REPZ(outs) |
| 1286 |
GEN_REPZ2(scas) |
| 1287 |
GEN_REPZ2(cmps) |
| 1288 |
|
| 1289 |
static void *helper_fp_arith_ST0_FT0[8] = { |
| 1290 |
helper_fadd_ST0_FT0, |
| 1291 |
helper_fmul_ST0_FT0, |
| 1292 |
helper_fcom_ST0_FT0, |
| 1293 |
helper_fcom_ST0_FT0, |
| 1294 |
helper_fsub_ST0_FT0, |
| 1295 |
helper_fsubr_ST0_FT0, |
| 1296 |
helper_fdiv_ST0_FT0, |
| 1297 |
helper_fdivr_ST0_FT0, |
| 1298 |
}; |
| 1299 |
|
| 1300 |
/* NOTE the exception in "r" op ordering */
|
| 1301 |
static void *helper_fp_arith_STN_ST0[8] = { |
| 1302 |
helper_fadd_STN_ST0, |
| 1303 |
helper_fmul_STN_ST0, |
| 1304 |
NULL,
|
| 1305 |
NULL,
|
| 1306 |
helper_fsubr_STN_ST0, |
| 1307 |
helper_fsub_STN_ST0, |
| 1308 |
helper_fdivr_STN_ST0, |
| 1309 |
helper_fdiv_STN_ST0, |
| 1310 |
}; |
| 1311 |
|
| 1312 |
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
| 1313 |
static void gen_op(DisasContext *s1, int op, int ot, int d) |
| 1314 |
{
|
| 1315 |
if (d != OR_TMP0) {
|
| 1316 |
gen_op_mov_TN_reg(ot, 0, d);
|
| 1317 |
} else {
|
| 1318 |
gen_op_ld_T0_A0(ot + s1->mem_index); |
| 1319 |
} |
| 1320 |
switch(op) {
|
| 1321 |
case OP_ADCL:
|
| 1322 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
| 1323 |
gen_op_set_cc_op(s1->cc_op); |
| 1324 |
gen_compute_eflags_c(cpu_tmp4); |
| 1325 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1326 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| 1327 |
if (d != OR_TMP0)
|
| 1328 |
gen_op_mov_reg_T0(ot, d); |
| 1329 |
else
|
| 1330 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1331 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
| 1332 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 1333 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
| 1334 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
| 1335 |
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_ADDB + ot); |
| 1336 |
s1->cc_op = CC_OP_DYNAMIC; |
| 1337 |
break;
|
| 1338 |
case OP_SBBL:
|
| 1339 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
| 1340 |
gen_op_set_cc_op(s1->cc_op); |
| 1341 |
gen_compute_eflags_c(cpu_tmp4); |
| 1342 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1343 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_tmp4); |
| 1344 |
if (d != OR_TMP0)
|
| 1345 |
gen_op_mov_reg_T0(ot, d); |
| 1346 |
else
|
| 1347 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1348 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);
|
| 1349 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 1350 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_tmp4); |
| 1351 |
tcg_gen_shli_i32(cpu_tmp2_i32, cpu_tmp2_i32, 2);
|
| 1352 |
tcg_gen_addi_i32(cpu_cc_op, cpu_tmp2_i32, CC_OP_SUBB + ot); |
| 1353 |
s1->cc_op = CC_OP_DYNAMIC; |
| 1354 |
break;
|
| 1355 |
case OP_ADDL:
|
| 1356 |
gen_op_addl_T0_T1(); |
| 1357 |
if (d != OR_TMP0)
|
| 1358 |
gen_op_mov_reg_T0(ot, d); |
| 1359 |
else
|
| 1360 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1361 |
gen_op_update2_cc(); |
| 1362 |
s1->cc_op = CC_OP_ADDB + ot; |
| 1363 |
break;
|
| 1364 |
case OP_SUBL:
|
| 1365 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1366 |
if (d != OR_TMP0)
|
| 1367 |
gen_op_mov_reg_T0(ot, d); |
| 1368 |
else
|
| 1369 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1370 |
gen_op_update2_cc(); |
| 1371 |
s1->cc_op = CC_OP_SUBB + ot; |
| 1372 |
break;
|
| 1373 |
default:
|
| 1374 |
case OP_ANDL:
|
| 1375 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1376 |
if (d != OR_TMP0)
|
| 1377 |
gen_op_mov_reg_T0(ot, d); |
| 1378 |
else
|
| 1379 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1380 |
gen_op_update1_cc(); |
| 1381 |
s1->cc_op = CC_OP_LOGICB + ot; |
| 1382 |
break;
|
| 1383 |
case OP_ORL:
|
| 1384 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1385 |
if (d != OR_TMP0)
|
| 1386 |
gen_op_mov_reg_T0(ot, d); |
| 1387 |
else
|
| 1388 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1389 |
gen_op_update1_cc(); |
| 1390 |
s1->cc_op = CC_OP_LOGICB + ot; |
| 1391 |
break;
|
| 1392 |
case OP_XORL:
|
| 1393 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1394 |
if (d != OR_TMP0)
|
| 1395 |
gen_op_mov_reg_T0(ot, d); |
| 1396 |
else
|
| 1397 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1398 |
gen_op_update1_cc(); |
| 1399 |
s1->cc_op = CC_OP_LOGICB + ot; |
| 1400 |
break;
|
| 1401 |
case OP_CMPL:
|
| 1402 |
gen_op_cmpl_T0_T1_cc(); |
| 1403 |
s1->cc_op = CC_OP_SUBB + ot; |
| 1404 |
break;
|
| 1405 |
} |
| 1406 |
} |
| 1407 |
|
| 1408 |
/* if d == OR_TMP0, it means memory operand (address in A0) */
|
| 1409 |
static void gen_inc(DisasContext *s1, int ot, int d, int c) |
| 1410 |
{
|
| 1411 |
if (d != OR_TMP0)
|
| 1412 |
gen_op_mov_TN_reg(ot, 0, d);
|
| 1413 |
else
|
| 1414 |
gen_op_ld_T0_A0(ot + s1->mem_index); |
| 1415 |
if (s1->cc_op != CC_OP_DYNAMIC)
|
| 1416 |
gen_op_set_cc_op(s1->cc_op); |
| 1417 |
if (c > 0) { |
| 1418 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], 1); |
| 1419 |
s1->cc_op = CC_OP_INCB + ot; |
| 1420 |
} else {
|
| 1421 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], -1); |
| 1422 |
s1->cc_op = CC_OP_DECB + ot; |
| 1423 |
} |
| 1424 |
if (d != OR_TMP0)
|
| 1425 |
gen_op_mov_reg_T0(ot, d); |
| 1426 |
else
|
| 1427 |
gen_op_st_T0_A0(ot + s1->mem_index); |
| 1428 |
gen_compute_eflags_c(cpu_cc_src); |
| 1429 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 1430 |
} |
| 1431 |
|
| 1432 |
static void gen_shift_rm_T1(DisasContext *s, int ot, int op1, |
| 1433 |
int is_right, int is_arith) |
| 1434 |
{
|
| 1435 |
target_ulong mask; |
| 1436 |
int shift_label;
|
| 1437 |
TCGv t0, t1; |
| 1438 |
|
| 1439 |
if (ot == OT_QUAD)
|
| 1440 |
mask = 0x3f;
|
| 1441 |
else
|
| 1442 |
mask = 0x1f;
|
| 1443 |
|
| 1444 |
/* load */
|
| 1445 |
if (op1 == OR_TMP0)
|
| 1446 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1447 |
else
|
| 1448 |
gen_op_mov_TN_reg(ot, 0, op1);
|
| 1449 |
|
| 1450 |
tcg_gen_andi_tl(cpu_T[1], cpu_T[1], mask); |
| 1451 |
|
| 1452 |
tcg_gen_addi_tl(cpu_tmp5, cpu_T[1], -1); |
| 1453 |
|
| 1454 |
if (is_right) {
|
| 1455 |
if (is_arith) {
|
| 1456 |
gen_exts(ot, cpu_T[0]);
|
| 1457 |
tcg_gen_sar_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
| 1458 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1459 |
} else {
|
| 1460 |
gen_extu(ot, cpu_T[0]);
|
| 1461 |
tcg_gen_shr_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
| 1462 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1463 |
} |
| 1464 |
} else {
|
| 1465 |
tcg_gen_shl_tl(cpu_T3, cpu_T[0], cpu_tmp5);
|
| 1466 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1467 |
} |
| 1468 |
|
| 1469 |
/* store */
|
| 1470 |
if (op1 == OR_TMP0)
|
| 1471 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1472 |
else
|
| 1473 |
gen_op_mov_reg_T0(ot, op1); |
| 1474 |
|
| 1475 |
/* update eflags if non zero shift */
|
| 1476 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 1477 |
gen_op_set_cc_op(s->cc_op); |
| 1478 |
|
| 1479 |
/* XXX: inefficient */
|
| 1480 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1481 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1482 |
|
| 1483 |
tcg_gen_mov_tl(t0, cpu_T[0]);
|
| 1484 |
tcg_gen_mov_tl(t1, cpu_T3); |
| 1485 |
|
| 1486 |
shift_label = gen_new_label(); |
| 1487 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, shift_label); |
| 1488 |
|
| 1489 |
tcg_gen_mov_tl(cpu_cc_src, t1); |
| 1490 |
tcg_gen_mov_tl(cpu_cc_dst, t0); |
| 1491 |
if (is_right)
|
| 1492 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
| 1493 |
else
|
| 1494 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
| 1495 |
|
| 1496 |
gen_set_label(shift_label); |
| 1497 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
| 1498 |
|
| 1499 |
tcg_temp_free(t0); |
| 1500 |
tcg_temp_free(t1); |
| 1501 |
} |
| 1502 |
|
| 1503 |
static void gen_shift_rm_im(DisasContext *s, int ot, int op1, int op2, |
| 1504 |
int is_right, int is_arith) |
| 1505 |
{
|
| 1506 |
int mask;
|
| 1507 |
|
| 1508 |
if (ot == OT_QUAD)
|
| 1509 |
mask = 0x3f;
|
| 1510 |
else
|
| 1511 |
mask = 0x1f;
|
| 1512 |
|
| 1513 |
/* load */
|
| 1514 |
if (op1 == OR_TMP0)
|
| 1515 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1516 |
else
|
| 1517 |
gen_op_mov_TN_reg(ot, 0, op1);
|
| 1518 |
|
| 1519 |
op2 &= mask; |
| 1520 |
if (op2 != 0) { |
| 1521 |
if (is_right) {
|
| 1522 |
if (is_arith) {
|
| 1523 |
gen_exts(ot, cpu_T[0]);
|
| 1524 |
tcg_gen_sari_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| 1525 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], op2); |
| 1526 |
} else {
|
| 1527 |
gen_extu(ot, cpu_T[0]);
|
| 1528 |
tcg_gen_shri_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| 1529 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], op2); |
| 1530 |
} |
| 1531 |
} else {
|
| 1532 |
tcg_gen_shli_tl(cpu_tmp4, cpu_T[0], op2 - 1); |
| 1533 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], op2); |
| 1534 |
} |
| 1535 |
} |
| 1536 |
|
| 1537 |
/* store */
|
| 1538 |
if (op1 == OR_TMP0)
|
| 1539 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1540 |
else
|
| 1541 |
gen_op_mov_reg_T0(ot, op1); |
| 1542 |
|
| 1543 |
/* update eflags if non zero shift */
|
| 1544 |
if (op2 != 0) { |
| 1545 |
tcg_gen_mov_tl(cpu_cc_src, cpu_tmp4); |
| 1546 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 1547 |
if (is_right)
|
| 1548 |
s->cc_op = CC_OP_SARB + ot; |
| 1549 |
else
|
| 1550 |
s->cc_op = CC_OP_SHLB + ot; |
| 1551 |
} |
| 1552 |
} |
| 1553 |
|
| 1554 |
static inline void tcg_gen_lshift(TCGv ret, TCGv arg1, target_long arg2) |
| 1555 |
{
|
| 1556 |
if (arg2 >= 0) |
| 1557 |
tcg_gen_shli_tl(ret, arg1, arg2); |
| 1558 |
else
|
| 1559 |
tcg_gen_shri_tl(ret, arg1, -arg2); |
| 1560 |
} |
| 1561 |
|
| 1562 |
/* XXX: add faster immediate case */
|
| 1563 |
static void gen_rot_rm_T1(DisasContext *s, int ot, int op1, |
| 1564 |
int is_right)
|
| 1565 |
{
|
| 1566 |
target_ulong mask; |
| 1567 |
int label1, label2, data_bits;
|
| 1568 |
TCGv t0, t1, t2, a0; |
| 1569 |
|
| 1570 |
/* XXX: inefficient, but we must use local temps */
|
| 1571 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1572 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1573 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1574 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1575 |
|
| 1576 |
if (ot == OT_QUAD)
|
| 1577 |
mask = 0x3f;
|
| 1578 |
else
|
| 1579 |
mask = 0x1f;
|
| 1580 |
|
| 1581 |
/* load */
|
| 1582 |
if (op1 == OR_TMP0) {
|
| 1583 |
tcg_gen_mov_tl(a0, cpu_A0); |
| 1584 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
| 1585 |
} else {
|
| 1586 |
gen_op_mov_v_reg(ot, t0, op1); |
| 1587 |
} |
| 1588 |
|
| 1589 |
tcg_gen_mov_tl(t1, cpu_T[1]);
|
| 1590 |
|
| 1591 |
tcg_gen_andi_tl(t1, t1, mask); |
| 1592 |
|
| 1593 |
/* Must test zero case to avoid using undefined behaviour in TCG
|
| 1594 |
shifts. */
|
| 1595 |
label1 = gen_new_label(); |
| 1596 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label1);
|
| 1597 |
|
| 1598 |
if (ot <= OT_WORD)
|
| 1599 |
tcg_gen_andi_tl(cpu_tmp0, t1, (1 << (3 + ot)) - 1); |
| 1600 |
else
|
| 1601 |
tcg_gen_mov_tl(cpu_tmp0, t1); |
| 1602 |
|
| 1603 |
gen_extu(ot, t0); |
| 1604 |
tcg_gen_mov_tl(t2, t0); |
| 1605 |
|
| 1606 |
data_bits = 8 << ot;
|
| 1607 |
/* XXX: rely on behaviour of shifts when operand 2 overflows (XXX:
|
| 1608 |
fix TCG definition) */
|
| 1609 |
if (is_right) {
|
| 1610 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp0); |
| 1611 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
| 1612 |
tcg_gen_shl_tl(t0, t0, cpu_tmp0); |
| 1613 |
} else {
|
| 1614 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp0); |
| 1615 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(data_bits), cpu_tmp0); |
| 1616 |
tcg_gen_shr_tl(t0, t0, cpu_tmp0); |
| 1617 |
} |
| 1618 |
tcg_gen_or_tl(t0, t0, cpu_tmp4); |
| 1619 |
|
| 1620 |
gen_set_label(label1); |
| 1621 |
/* store */
|
| 1622 |
if (op1 == OR_TMP0) {
|
| 1623 |
gen_op_st_v(ot + s->mem_index, t0, a0); |
| 1624 |
} else {
|
| 1625 |
gen_op_mov_reg_v(ot, op1, t0); |
| 1626 |
} |
| 1627 |
|
| 1628 |
/* update eflags */
|
| 1629 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 1630 |
gen_op_set_cc_op(s->cc_op); |
| 1631 |
|
| 1632 |
label2 = gen_new_label(); |
| 1633 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, label2);
|
| 1634 |
|
| 1635 |
gen_compute_eflags(cpu_cc_src); |
| 1636 |
tcg_gen_andi_tl(cpu_cc_src, cpu_cc_src, ~(CC_O | CC_C)); |
| 1637 |
tcg_gen_xor_tl(cpu_tmp0, t2, t0); |
| 1638 |
tcg_gen_lshift(cpu_tmp0, cpu_tmp0, 11 - (data_bits - 1)); |
| 1639 |
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, CC_O); |
| 1640 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, cpu_tmp0); |
| 1641 |
if (is_right) {
|
| 1642 |
tcg_gen_shri_tl(t0, t0, data_bits - 1);
|
| 1643 |
} |
| 1644 |
tcg_gen_andi_tl(t0, t0, CC_C); |
| 1645 |
tcg_gen_or_tl(cpu_cc_src, cpu_cc_src, t0); |
| 1646 |
|
| 1647 |
tcg_gen_discard_tl(cpu_cc_dst); |
| 1648 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
| 1649 |
|
| 1650 |
gen_set_label(label2); |
| 1651 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
| 1652 |
|
| 1653 |
tcg_temp_free(t0); |
| 1654 |
tcg_temp_free(t1); |
| 1655 |
tcg_temp_free(t2); |
| 1656 |
tcg_temp_free(a0); |
| 1657 |
} |
| 1658 |
|
| 1659 |
static void *helper_rotc[8] = { |
| 1660 |
helper_rclb, |
| 1661 |
helper_rclw, |
| 1662 |
helper_rcll, |
| 1663 |
X86_64_ONLY(helper_rclq), |
| 1664 |
helper_rcrb, |
| 1665 |
helper_rcrw, |
| 1666 |
helper_rcrl, |
| 1667 |
X86_64_ONLY(helper_rcrq), |
| 1668 |
}; |
| 1669 |
|
| 1670 |
/* XXX: add faster immediate = 1 case */
|
| 1671 |
static void gen_rotc_rm_T1(DisasContext *s, int ot, int op1, |
| 1672 |
int is_right)
|
| 1673 |
{
|
| 1674 |
int label1;
|
| 1675 |
|
| 1676 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 1677 |
gen_op_set_cc_op(s->cc_op); |
| 1678 |
|
| 1679 |
/* load */
|
| 1680 |
if (op1 == OR_TMP0)
|
| 1681 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 1682 |
else
|
| 1683 |
gen_op_mov_TN_reg(ot, 0, op1);
|
| 1684 |
|
| 1685 |
tcg_gen_helper_1_2(helper_rotc[ot + (is_right * 4)],
|
| 1686 |
cpu_T[0], cpu_T[0], cpu_T[1]); |
| 1687 |
/* store */
|
| 1688 |
if (op1 == OR_TMP0)
|
| 1689 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 1690 |
else
|
| 1691 |
gen_op_mov_reg_T0(ot, op1); |
| 1692 |
|
| 1693 |
/* update eflags */
|
| 1694 |
label1 = gen_new_label(); |
| 1695 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cc_tmp, -1, label1);
|
| 1696 |
|
| 1697 |
tcg_gen_mov_tl(cpu_cc_src, cpu_cc_tmp); |
| 1698 |
tcg_gen_discard_tl(cpu_cc_dst); |
| 1699 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_EFLAGS); |
| 1700 |
|
| 1701 |
gen_set_label(label1); |
| 1702 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
| 1703 |
} |
| 1704 |
|
| 1705 |
/* XXX: add faster immediate case */
|
| 1706 |
static void gen_shiftd_rm_T1_T3(DisasContext *s, int ot, int op1, |
| 1707 |
int is_right)
|
| 1708 |
{
|
| 1709 |
int label1, label2, data_bits;
|
| 1710 |
target_ulong mask; |
| 1711 |
TCGv t0, t1, t2, a0; |
| 1712 |
|
| 1713 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1714 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1715 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1716 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 1717 |
|
| 1718 |
if (ot == OT_QUAD)
|
| 1719 |
mask = 0x3f;
|
| 1720 |
else
|
| 1721 |
mask = 0x1f;
|
| 1722 |
|
| 1723 |
/* load */
|
| 1724 |
if (op1 == OR_TMP0) {
|
| 1725 |
tcg_gen_mov_tl(a0, cpu_A0); |
| 1726 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
| 1727 |
} else {
|
| 1728 |
gen_op_mov_v_reg(ot, t0, op1); |
| 1729 |
} |
| 1730 |
|
| 1731 |
tcg_gen_andi_tl(cpu_T3, cpu_T3, mask); |
| 1732 |
|
| 1733 |
tcg_gen_mov_tl(t1, cpu_T[1]);
|
| 1734 |
tcg_gen_mov_tl(t2, cpu_T3); |
| 1735 |
|
| 1736 |
/* Must test zero case to avoid using undefined behaviour in TCG
|
| 1737 |
shifts. */
|
| 1738 |
label1 = gen_new_label(); |
| 1739 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
| 1740 |
|
| 1741 |
tcg_gen_addi_tl(cpu_tmp5, t2, -1);
|
| 1742 |
if (ot == OT_WORD) {
|
| 1743 |
/* Note: we implement the Intel behaviour for shift count > 16 */
|
| 1744 |
if (is_right) {
|
| 1745 |
tcg_gen_andi_tl(t0, t0, 0xffff);
|
| 1746 |
tcg_gen_shli_tl(cpu_tmp0, t1, 16);
|
| 1747 |
tcg_gen_or_tl(t0, t0, cpu_tmp0); |
| 1748 |
tcg_gen_ext32u_tl(t0, t0); |
| 1749 |
|
| 1750 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
| 1751 |
|
| 1752 |
/* only needed if count > 16, but a test would complicate */
|
| 1753 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
| 1754 |
tcg_gen_shl_tl(cpu_tmp0, t0, cpu_tmp5); |
| 1755 |
|
| 1756 |
tcg_gen_shr_tl(t0, t0, t2); |
| 1757 |
|
| 1758 |
tcg_gen_or_tl(t0, t0, cpu_tmp0); |
| 1759 |
} else {
|
| 1760 |
/* XXX: not optimal */
|
| 1761 |
tcg_gen_andi_tl(t0, t0, 0xffff);
|
| 1762 |
tcg_gen_shli_tl(t1, t1, 16);
|
| 1763 |
tcg_gen_or_tl(t1, t1, t0); |
| 1764 |
tcg_gen_ext32u_tl(t1, t1); |
| 1765 |
|
| 1766 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
| 1767 |
tcg_gen_sub_tl(cpu_tmp0, tcg_const_tl(32), cpu_tmp5);
|
| 1768 |
tcg_gen_shr_tl(cpu_tmp6, t1, cpu_tmp0); |
| 1769 |
tcg_gen_or_tl(cpu_tmp4, cpu_tmp4, cpu_tmp6); |
| 1770 |
|
| 1771 |
tcg_gen_shl_tl(t0, t0, t2); |
| 1772 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(32), t2);
|
| 1773 |
tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
| 1774 |
tcg_gen_or_tl(t0, t0, t1); |
| 1775 |
} |
| 1776 |
} else {
|
| 1777 |
data_bits = 8 << ot;
|
| 1778 |
if (is_right) {
|
| 1779 |
if (ot == OT_LONG)
|
| 1780 |
tcg_gen_ext32u_tl(t0, t0); |
| 1781 |
|
| 1782 |
tcg_gen_shr_tl(cpu_tmp4, t0, cpu_tmp5); |
| 1783 |
|
| 1784 |
tcg_gen_shr_tl(t0, t0, t2); |
| 1785 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
| 1786 |
tcg_gen_shl_tl(t1, t1, cpu_tmp5); |
| 1787 |
tcg_gen_or_tl(t0, t0, t1); |
| 1788 |
|
| 1789 |
} else {
|
| 1790 |
if (ot == OT_LONG)
|
| 1791 |
tcg_gen_ext32u_tl(t1, t1); |
| 1792 |
|
| 1793 |
tcg_gen_shl_tl(cpu_tmp4, t0, cpu_tmp5); |
| 1794 |
|
| 1795 |
tcg_gen_shl_tl(t0, t0, t2); |
| 1796 |
tcg_gen_sub_tl(cpu_tmp5, tcg_const_tl(data_bits), t2); |
| 1797 |
tcg_gen_shr_tl(t1, t1, cpu_tmp5); |
| 1798 |
tcg_gen_or_tl(t0, t0, t1); |
| 1799 |
} |
| 1800 |
} |
| 1801 |
tcg_gen_mov_tl(t1, cpu_tmp4); |
| 1802 |
|
| 1803 |
gen_set_label(label1); |
| 1804 |
/* store */
|
| 1805 |
if (op1 == OR_TMP0) {
|
| 1806 |
gen_op_st_v(ot + s->mem_index, t0, a0); |
| 1807 |
} else {
|
| 1808 |
gen_op_mov_reg_v(ot, op1, t0); |
| 1809 |
} |
| 1810 |
|
| 1811 |
/* update eflags */
|
| 1812 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 1813 |
gen_op_set_cc_op(s->cc_op); |
| 1814 |
|
| 1815 |
label2 = gen_new_label(); |
| 1816 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label2);
|
| 1817 |
|
| 1818 |
tcg_gen_mov_tl(cpu_cc_src, t1); |
| 1819 |
tcg_gen_mov_tl(cpu_cc_dst, t0); |
| 1820 |
if (is_right) {
|
| 1821 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SARB + ot); |
| 1822 |
} else {
|
| 1823 |
tcg_gen_movi_i32(cpu_cc_op, CC_OP_SHLB + ot); |
| 1824 |
} |
| 1825 |
gen_set_label(label2); |
| 1826 |
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
|
| 1827 |
|
| 1828 |
tcg_temp_free(t0); |
| 1829 |
tcg_temp_free(t1); |
| 1830 |
tcg_temp_free(t2); |
| 1831 |
tcg_temp_free(a0); |
| 1832 |
} |
| 1833 |
|
| 1834 |
static void gen_shift(DisasContext *s1, int op, int ot, int d, int s) |
| 1835 |
{
|
| 1836 |
if (s != OR_TMP1)
|
| 1837 |
gen_op_mov_TN_reg(ot, 1, s);
|
| 1838 |
switch(op) {
|
| 1839 |
case OP_ROL:
|
| 1840 |
gen_rot_rm_T1(s1, ot, d, 0);
|
| 1841 |
break;
|
| 1842 |
case OP_ROR:
|
| 1843 |
gen_rot_rm_T1(s1, ot, d, 1);
|
| 1844 |
break;
|
| 1845 |
case OP_SHL:
|
| 1846 |
case OP_SHL1:
|
| 1847 |
gen_shift_rm_T1(s1, ot, d, 0, 0); |
| 1848 |
break;
|
| 1849 |
case OP_SHR:
|
| 1850 |
gen_shift_rm_T1(s1, ot, d, 1, 0); |
| 1851 |
break;
|
| 1852 |
case OP_SAR:
|
| 1853 |
gen_shift_rm_T1(s1, ot, d, 1, 1); |
| 1854 |
break;
|
| 1855 |
case OP_RCL:
|
| 1856 |
gen_rotc_rm_T1(s1, ot, d, 0);
|
| 1857 |
break;
|
| 1858 |
case OP_RCR:
|
| 1859 |
gen_rotc_rm_T1(s1, ot, d, 1);
|
| 1860 |
break;
|
| 1861 |
} |
| 1862 |
} |
| 1863 |
|
| 1864 |
static void gen_shifti(DisasContext *s1, int op, int ot, int d, int c) |
| 1865 |
{
|
| 1866 |
switch(op) {
|
| 1867 |
case OP_SHL:
|
| 1868 |
case OP_SHL1:
|
| 1869 |
gen_shift_rm_im(s1, ot, d, c, 0, 0); |
| 1870 |
break;
|
| 1871 |
case OP_SHR:
|
| 1872 |
gen_shift_rm_im(s1, ot, d, c, 1, 0); |
| 1873 |
break;
|
| 1874 |
case OP_SAR:
|
| 1875 |
gen_shift_rm_im(s1, ot, d, c, 1, 1); |
| 1876 |
break;
|
| 1877 |
default:
|
| 1878 |
/* currently not optimized */
|
| 1879 |
gen_op_movl_T1_im(c); |
| 1880 |
gen_shift(s1, op, ot, d, OR_TMP1); |
| 1881 |
break;
|
| 1882 |
} |
| 1883 |
} |
| 1884 |
|
| 1885 |
static void gen_lea_modrm(DisasContext *s, int modrm, int *reg_ptr, int *offset_ptr) |
| 1886 |
{
|
| 1887 |
target_long disp; |
| 1888 |
int havesib;
|
| 1889 |
int base;
|
| 1890 |
int index;
|
| 1891 |
int scale;
|
| 1892 |
int opreg;
|
| 1893 |
int mod, rm, code, override, must_add_seg;
|
| 1894 |
|
| 1895 |
override = s->override; |
| 1896 |
must_add_seg = s->addseg; |
| 1897 |
if (override >= 0) |
| 1898 |
must_add_seg = 1;
|
| 1899 |
mod = (modrm >> 6) & 3; |
| 1900 |
rm = modrm & 7;
|
| 1901 |
|
| 1902 |
if (s->aflag) {
|
| 1903 |
|
| 1904 |
havesib = 0;
|
| 1905 |
base = rm; |
| 1906 |
index = 0;
|
| 1907 |
scale = 0;
|
| 1908 |
|
| 1909 |
if (base == 4) { |
| 1910 |
havesib = 1;
|
| 1911 |
code = ldub_code(s->pc++); |
| 1912 |
scale = (code >> 6) & 3; |
| 1913 |
index = ((code >> 3) & 7) | REX_X(s); |
| 1914 |
base = (code & 7);
|
| 1915 |
} |
| 1916 |
base |= REX_B(s); |
| 1917 |
|
| 1918 |
switch (mod) {
|
| 1919 |
case 0: |
| 1920 |
if ((base & 7) == 5) { |
| 1921 |
base = -1;
|
| 1922 |
disp = (int32_t)ldl_code(s->pc); |
| 1923 |
s->pc += 4;
|
| 1924 |
if (CODE64(s) && !havesib) {
|
| 1925 |
disp += s->pc + s->rip_offset; |
| 1926 |
} |
| 1927 |
} else {
|
| 1928 |
disp = 0;
|
| 1929 |
} |
| 1930 |
break;
|
| 1931 |
case 1: |
| 1932 |
disp = (int8_t)ldub_code(s->pc++); |
| 1933 |
break;
|
| 1934 |
default:
|
| 1935 |
case 2: |
| 1936 |
disp = ldl_code(s->pc); |
| 1937 |
s->pc += 4;
|
| 1938 |
break;
|
| 1939 |
} |
| 1940 |
|
| 1941 |
if (base >= 0) { |
| 1942 |
/* for correct popl handling with esp */
|
| 1943 |
if (base == 4 && s->popl_esp_hack) |
| 1944 |
disp += s->popl_esp_hack; |
| 1945 |
#ifdef TARGET_X86_64
|
| 1946 |
if (s->aflag == 2) { |
| 1947 |
gen_op_movq_A0_reg(base); |
| 1948 |
if (disp != 0) { |
| 1949 |
gen_op_addq_A0_im(disp); |
| 1950 |
} |
| 1951 |
} else
|
| 1952 |
#endif
|
| 1953 |
{
|
| 1954 |
gen_op_movl_A0_reg(base); |
| 1955 |
if (disp != 0) |
| 1956 |
gen_op_addl_A0_im(disp); |
| 1957 |
} |
| 1958 |
} else {
|
| 1959 |
#ifdef TARGET_X86_64
|
| 1960 |
if (s->aflag == 2) { |
| 1961 |
gen_op_movq_A0_im(disp); |
| 1962 |
} else
|
| 1963 |
#endif
|
| 1964 |
{
|
| 1965 |
gen_op_movl_A0_im(disp); |
| 1966 |
} |
| 1967 |
} |
| 1968 |
/* XXX: index == 4 is always invalid */
|
| 1969 |
if (havesib && (index != 4 || scale != 0)) { |
| 1970 |
#ifdef TARGET_X86_64
|
| 1971 |
if (s->aflag == 2) { |
| 1972 |
gen_op_addq_A0_reg_sN(scale, index); |
| 1973 |
} else
|
| 1974 |
#endif
|
| 1975 |
{
|
| 1976 |
gen_op_addl_A0_reg_sN(scale, index); |
| 1977 |
} |
| 1978 |
} |
| 1979 |
if (must_add_seg) {
|
| 1980 |
if (override < 0) { |
| 1981 |
if (base == R_EBP || base == R_ESP)
|
| 1982 |
override = R_SS; |
| 1983 |
else
|
| 1984 |
override = R_DS; |
| 1985 |
} |
| 1986 |
#ifdef TARGET_X86_64
|
| 1987 |
if (s->aflag == 2) { |
| 1988 |
gen_op_addq_A0_seg(override); |
| 1989 |
} else
|
| 1990 |
#endif
|
| 1991 |
{
|
| 1992 |
gen_op_addl_A0_seg(override); |
| 1993 |
} |
| 1994 |
} |
| 1995 |
} else {
|
| 1996 |
switch (mod) {
|
| 1997 |
case 0: |
| 1998 |
if (rm == 6) { |
| 1999 |
disp = lduw_code(s->pc); |
| 2000 |
s->pc += 2;
|
| 2001 |
gen_op_movl_A0_im(disp); |
| 2002 |
rm = 0; /* avoid SS override */ |
| 2003 |
goto no_rm;
|
| 2004 |
} else {
|
| 2005 |
disp = 0;
|
| 2006 |
} |
| 2007 |
break;
|
| 2008 |
case 1: |
| 2009 |
disp = (int8_t)ldub_code(s->pc++); |
| 2010 |
break;
|
| 2011 |
default:
|
| 2012 |
case 2: |
| 2013 |
disp = lduw_code(s->pc); |
| 2014 |
s->pc += 2;
|
| 2015 |
break;
|
| 2016 |
} |
| 2017 |
switch(rm) {
|
| 2018 |
case 0: |
| 2019 |
gen_op_movl_A0_reg(R_EBX); |
| 2020 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
| 2021 |
break;
|
| 2022 |
case 1: |
| 2023 |
gen_op_movl_A0_reg(R_EBX); |
| 2024 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
| 2025 |
break;
|
| 2026 |
case 2: |
| 2027 |
gen_op_movl_A0_reg(R_EBP); |
| 2028 |
gen_op_addl_A0_reg_sN(0, R_ESI);
|
| 2029 |
break;
|
| 2030 |
case 3: |
| 2031 |
gen_op_movl_A0_reg(R_EBP); |
| 2032 |
gen_op_addl_A0_reg_sN(0, R_EDI);
|
| 2033 |
break;
|
| 2034 |
case 4: |
| 2035 |
gen_op_movl_A0_reg(R_ESI); |
| 2036 |
break;
|
| 2037 |
case 5: |
| 2038 |
gen_op_movl_A0_reg(R_EDI); |
| 2039 |
break;
|
| 2040 |
case 6: |
| 2041 |
gen_op_movl_A0_reg(R_EBP); |
| 2042 |
break;
|
| 2043 |
default:
|
| 2044 |
case 7: |
| 2045 |
gen_op_movl_A0_reg(R_EBX); |
| 2046 |
break;
|
| 2047 |
} |
| 2048 |
if (disp != 0) |
| 2049 |
gen_op_addl_A0_im(disp); |
| 2050 |
gen_op_andl_A0_ffff(); |
| 2051 |
no_rm:
|
| 2052 |
if (must_add_seg) {
|
| 2053 |
if (override < 0) { |
| 2054 |
if (rm == 2 || rm == 3 || rm == 6) |
| 2055 |
override = R_SS; |
| 2056 |
else
|
| 2057 |
override = R_DS; |
| 2058 |
} |
| 2059 |
gen_op_addl_A0_seg(override); |
| 2060 |
} |
| 2061 |
} |
| 2062 |
|
| 2063 |
opreg = OR_A0; |
| 2064 |
disp = 0;
|
| 2065 |
*reg_ptr = opreg; |
| 2066 |
*offset_ptr = disp; |
| 2067 |
} |
| 2068 |
|
| 2069 |
static void gen_nop_modrm(DisasContext *s, int modrm) |
| 2070 |
{
|
| 2071 |
int mod, rm, base, code;
|
| 2072 |
|
| 2073 |
mod = (modrm >> 6) & 3; |
| 2074 |
if (mod == 3) |
| 2075 |
return;
|
| 2076 |
rm = modrm & 7;
|
| 2077 |
|
| 2078 |
if (s->aflag) {
|
| 2079 |
|
| 2080 |
base = rm; |
| 2081 |
|
| 2082 |
if (base == 4) { |
| 2083 |
code = ldub_code(s->pc++); |
| 2084 |
base = (code & 7);
|
| 2085 |
} |
| 2086 |
|
| 2087 |
switch (mod) {
|
| 2088 |
case 0: |
| 2089 |
if (base == 5) { |
| 2090 |
s->pc += 4;
|
| 2091 |
} |
| 2092 |
break;
|
| 2093 |
case 1: |
| 2094 |
s->pc++; |
| 2095 |
break;
|
| 2096 |
default:
|
| 2097 |
case 2: |
| 2098 |
s->pc += 4;
|
| 2099 |
break;
|
| 2100 |
} |
| 2101 |
} else {
|
| 2102 |
switch (mod) {
|
| 2103 |
case 0: |
| 2104 |
if (rm == 6) { |
| 2105 |
s->pc += 2;
|
| 2106 |
} |
| 2107 |
break;
|
| 2108 |
case 1: |
| 2109 |
s->pc++; |
| 2110 |
break;
|
| 2111 |
default:
|
| 2112 |
case 2: |
| 2113 |
s->pc += 2;
|
| 2114 |
break;
|
| 2115 |
} |
| 2116 |
} |
| 2117 |
} |
| 2118 |
|
| 2119 |
/* used for LEA and MOV AX, mem */
|
| 2120 |
static void gen_add_A0_ds_seg(DisasContext *s) |
| 2121 |
{
|
| 2122 |
int override, must_add_seg;
|
| 2123 |
must_add_seg = s->addseg; |
| 2124 |
override = R_DS; |
| 2125 |
if (s->override >= 0) { |
| 2126 |
override = s->override; |
| 2127 |
must_add_seg = 1;
|
| 2128 |
} else {
|
| 2129 |
override = R_DS; |
| 2130 |
} |
| 2131 |
if (must_add_seg) {
|
| 2132 |
#ifdef TARGET_X86_64
|
| 2133 |
if (CODE64(s)) {
|
| 2134 |
gen_op_addq_A0_seg(override); |
| 2135 |
} else
|
| 2136 |
#endif
|
| 2137 |
{
|
| 2138 |
gen_op_addl_A0_seg(override); |
| 2139 |
} |
| 2140 |
} |
| 2141 |
} |
| 2142 |
|
| 2143 |
/* generate modrm memory load or store of 'reg'. TMP0 is used if reg !=
|
| 2144 |
OR_TMP0 */
|
| 2145 |
static void gen_ldst_modrm(DisasContext *s, int modrm, int ot, int reg, int is_store) |
| 2146 |
{
|
| 2147 |
int mod, rm, opreg, disp;
|
| 2148 |
|
| 2149 |
mod = (modrm >> 6) & 3; |
| 2150 |
rm = (modrm & 7) | REX_B(s);
|
| 2151 |
if (mod == 3) { |
| 2152 |
if (is_store) {
|
| 2153 |
if (reg != OR_TMP0)
|
| 2154 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 2155 |
gen_op_mov_reg_T0(ot, rm); |
| 2156 |
} else {
|
| 2157 |
gen_op_mov_TN_reg(ot, 0, rm);
|
| 2158 |
if (reg != OR_TMP0)
|
| 2159 |
gen_op_mov_reg_T0(ot, reg); |
| 2160 |
} |
| 2161 |
} else {
|
| 2162 |
gen_lea_modrm(s, modrm, &opreg, &disp); |
| 2163 |
if (is_store) {
|
| 2164 |
if (reg != OR_TMP0)
|
| 2165 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 2166 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 2167 |
} else {
|
| 2168 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 2169 |
if (reg != OR_TMP0)
|
| 2170 |
gen_op_mov_reg_T0(ot, reg); |
| 2171 |
} |
| 2172 |
} |
| 2173 |
} |
| 2174 |
|
| 2175 |
static inline uint32_t insn_get(DisasContext *s, int ot) |
| 2176 |
{
|
| 2177 |
uint32_t ret; |
| 2178 |
|
| 2179 |
switch(ot) {
|
| 2180 |
case OT_BYTE:
|
| 2181 |
ret = ldub_code(s->pc); |
| 2182 |
s->pc++; |
| 2183 |
break;
|
| 2184 |
case OT_WORD:
|
| 2185 |
ret = lduw_code(s->pc); |
| 2186 |
s->pc += 2;
|
| 2187 |
break;
|
| 2188 |
default:
|
| 2189 |
case OT_LONG:
|
| 2190 |
ret = ldl_code(s->pc); |
| 2191 |
s->pc += 4;
|
| 2192 |
break;
|
| 2193 |
} |
| 2194 |
return ret;
|
| 2195 |
} |
| 2196 |
|
| 2197 |
static inline int insn_const_size(unsigned int ot) |
| 2198 |
{
|
| 2199 |
if (ot <= OT_LONG)
|
| 2200 |
return 1 << ot; |
| 2201 |
else
|
| 2202 |
return 4; |
| 2203 |
} |
| 2204 |
|
| 2205 |
static inline void gen_goto_tb(DisasContext *s, int tb_num, target_ulong eip) |
| 2206 |
{
|
| 2207 |
TranslationBlock *tb; |
| 2208 |
target_ulong pc; |
| 2209 |
|
| 2210 |
pc = s->cs_base + eip; |
| 2211 |
tb = s->tb; |
| 2212 |
/* NOTE: we handle the case where the TB spans two pages here */
|
| 2213 |
if ((pc & TARGET_PAGE_MASK) == (tb->pc & TARGET_PAGE_MASK) ||
|
| 2214 |
(pc & TARGET_PAGE_MASK) == ((s->pc - 1) & TARGET_PAGE_MASK)) {
|
| 2215 |
/* jump to same page: we can use a direct jump */
|
| 2216 |
tcg_gen_goto_tb(tb_num); |
| 2217 |
gen_jmp_im(eip); |
| 2218 |
tcg_gen_exit_tb((long)tb + tb_num);
|
| 2219 |
} else {
|
| 2220 |
/* jump to another page: currently not optimized */
|
| 2221 |
gen_jmp_im(eip); |
| 2222 |
gen_eob(s); |
| 2223 |
} |
| 2224 |
} |
| 2225 |
|
| 2226 |
static inline void gen_jcc(DisasContext *s, int b, |
| 2227 |
target_ulong val, target_ulong next_eip) |
| 2228 |
{
|
| 2229 |
int l1, l2, cc_op;
|
| 2230 |
|
| 2231 |
cc_op = s->cc_op; |
| 2232 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
| 2233 |
gen_op_set_cc_op(s->cc_op); |
| 2234 |
s->cc_op = CC_OP_DYNAMIC; |
| 2235 |
} |
| 2236 |
if (s->jmp_opt) {
|
| 2237 |
l1 = gen_new_label(); |
| 2238 |
gen_jcc1(s, cc_op, b, l1); |
| 2239 |
|
| 2240 |
gen_goto_tb(s, 0, next_eip);
|
| 2241 |
|
| 2242 |
gen_set_label(l1); |
| 2243 |
gen_goto_tb(s, 1, val);
|
| 2244 |
s->is_jmp = 3;
|
| 2245 |
} else {
|
| 2246 |
|
| 2247 |
l1 = gen_new_label(); |
| 2248 |
l2 = gen_new_label(); |
| 2249 |
gen_jcc1(s, cc_op, b, l1); |
| 2250 |
|
| 2251 |
gen_jmp_im(next_eip); |
| 2252 |
tcg_gen_br(l2); |
| 2253 |
|
| 2254 |
gen_set_label(l1); |
| 2255 |
gen_jmp_im(val); |
| 2256 |
gen_set_label(l2); |
| 2257 |
gen_eob(s); |
| 2258 |
} |
| 2259 |
} |
| 2260 |
|
| 2261 |
static void gen_setcc(DisasContext *s, int b) |
| 2262 |
{
|
| 2263 |
int inv, jcc_op, l1;
|
| 2264 |
TCGv t0; |
| 2265 |
|
| 2266 |
if (is_fast_jcc_case(s, b)) {
|
| 2267 |
/* nominal case: we use a jump */
|
| 2268 |
/* XXX: make it faster by adding new instructions in TCG */
|
| 2269 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 2270 |
tcg_gen_movi_tl(t0, 0);
|
| 2271 |
l1 = gen_new_label(); |
| 2272 |
gen_jcc1(s, s->cc_op, b ^ 1, l1);
|
| 2273 |
tcg_gen_movi_tl(t0, 1);
|
| 2274 |
gen_set_label(l1); |
| 2275 |
tcg_gen_mov_tl(cpu_T[0], t0);
|
| 2276 |
tcg_temp_free(t0); |
| 2277 |
} else {
|
| 2278 |
/* slow case: it is more efficient not to generate a jump,
|
| 2279 |
although it is questionnable whether this optimization is
|
| 2280 |
worth to */
|
| 2281 |
inv = b & 1;
|
| 2282 |
jcc_op = (b >> 1) & 7; |
| 2283 |
gen_setcc_slow_T0(s, jcc_op); |
| 2284 |
if (inv) {
|
| 2285 |
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], 1); |
| 2286 |
} |
| 2287 |
} |
| 2288 |
} |
| 2289 |
|
| 2290 |
static inline void gen_op_movl_T0_seg(int seg_reg) |
| 2291 |
{
|
| 2292 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
| 2293 |
offsetof(CPUX86State,segs[seg_reg].selector)); |
| 2294 |
} |
| 2295 |
|
| 2296 |
static inline void gen_op_movl_seg_T0_vm(int seg_reg) |
| 2297 |
{
|
| 2298 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xffff); |
| 2299 |
tcg_gen_st32_tl(cpu_T[0], cpu_env,
|
| 2300 |
offsetof(CPUX86State,segs[seg_reg].selector)); |
| 2301 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], 4); |
| 2302 |
tcg_gen_st_tl(cpu_T[0], cpu_env,
|
| 2303 |
offsetof(CPUX86State,segs[seg_reg].base)); |
| 2304 |
} |
| 2305 |
|
| 2306 |
/* move T0 to seg_reg and compute if the CPU state may change. Never
|
| 2307 |
call this function with seg_reg == R_CS */
|
| 2308 |
static void gen_movl_seg_T0(DisasContext *s, int seg_reg, target_ulong cur_eip) |
| 2309 |
{
|
| 2310 |
if (s->pe && !s->vm86) {
|
| 2311 |
/* XXX: optimize by finding processor state dynamically */
|
| 2312 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2313 |
gen_op_set_cc_op(s->cc_op); |
| 2314 |
gen_jmp_im(cur_eip); |
| 2315 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 2316 |
tcg_gen_helper_0_2(helper_load_seg, tcg_const_i32(seg_reg), cpu_tmp2_i32); |
| 2317 |
/* abort translation because the addseg value may change or
|
| 2318 |
because ss32 may change. For R_SS, translation must always
|
| 2319 |
stop as a special handling must be done to disable hardware
|
| 2320 |
interrupts for the next instruction */
|
| 2321 |
if (seg_reg == R_SS || (s->code32 && seg_reg < R_FS))
|
| 2322 |
s->is_jmp = 3;
|
| 2323 |
} else {
|
| 2324 |
gen_op_movl_seg_T0_vm(seg_reg); |
| 2325 |
if (seg_reg == R_SS)
|
| 2326 |
s->is_jmp = 3;
|
| 2327 |
} |
| 2328 |
} |
| 2329 |
|
| 2330 |
static inline int svm_is_rep(int prefixes) |
| 2331 |
{
|
| 2332 |
return ((prefixes & (PREFIX_REPZ | PREFIX_REPNZ)) ? 8 : 0); |
| 2333 |
} |
| 2334 |
|
| 2335 |
static inline void |
| 2336 |
gen_svm_check_intercept_param(DisasContext *s, target_ulong pc_start, |
| 2337 |
uint32_t type, uint64_t param) |
| 2338 |
{
|
| 2339 |
/* no SVM activated; fast case */
|
| 2340 |
if (likely(!(s->flags & HF_SVMI_MASK)))
|
| 2341 |
return;
|
| 2342 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2343 |
gen_op_set_cc_op(s->cc_op); |
| 2344 |
gen_jmp_im(pc_start - s->cs_base); |
| 2345 |
tcg_gen_helper_0_2(helper_svm_check_intercept_param, |
| 2346 |
tcg_const_i32(type), tcg_const_i64(param)); |
| 2347 |
} |
| 2348 |
|
| 2349 |
static inline void |
| 2350 |
gen_svm_check_intercept(DisasContext *s, target_ulong pc_start, uint64_t type) |
| 2351 |
{
|
| 2352 |
gen_svm_check_intercept_param(s, pc_start, type, 0);
|
| 2353 |
} |
| 2354 |
|
| 2355 |
static inline void gen_stack_update(DisasContext *s, int addend) |
| 2356 |
{
|
| 2357 |
#ifdef TARGET_X86_64
|
| 2358 |
if (CODE64(s)) {
|
| 2359 |
gen_op_add_reg_im(2, R_ESP, addend);
|
| 2360 |
} else
|
| 2361 |
#endif
|
| 2362 |
if (s->ss32) {
|
| 2363 |
gen_op_add_reg_im(1, R_ESP, addend);
|
| 2364 |
} else {
|
| 2365 |
gen_op_add_reg_im(0, R_ESP, addend);
|
| 2366 |
} |
| 2367 |
} |
| 2368 |
|
| 2369 |
/* generate a push. It depends on ss32, addseg and dflag */
|
| 2370 |
static void gen_push_T0(DisasContext *s) |
| 2371 |
{
|
| 2372 |
#ifdef TARGET_X86_64
|
| 2373 |
if (CODE64(s)) {
|
| 2374 |
gen_op_movq_A0_reg(R_ESP); |
| 2375 |
if (s->dflag) {
|
| 2376 |
gen_op_addq_A0_im(-8);
|
| 2377 |
gen_op_st_T0_A0(OT_QUAD + s->mem_index); |
| 2378 |
} else {
|
| 2379 |
gen_op_addq_A0_im(-2);
|
| 2380 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| 2381 |
} |
| 2382 |
gen_op_mov_reg_A0(2, R_ESP);
|
| 2383 |
} else
|
| 2384 |
#endif
|
| 2385 |
{
|
| 2386 |
gen_op_movl_A0_reg(R_ESP); |
| 2387 |
if (!s->dflag)
|
| 2388 |
gen_op_addl_A0_im(-2);
|
| 2389 |
else
|
| 2390 |
gen_op_addl_A0_im(-4);
|
| 2391 |
if (s->ss32) {
|
| 2392 |
if (s->addseg) {
|
| 2393 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2394 |
gen_op_addl_A0_seg(R_SS); |
| 2395 |
} |
| 2396 |
} else {
|
| 2397 |
gen_op_andl_A0_ffff(); |
| 2398 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2399 |
gen_op_addl_A0_seg(R_SS); |
| 2400 |
} |
| 2401 |
gen_op_st_T0_A0(s->dflag + 1 + s->mem_index);
|
| 2402 |
if (s->ss32 && !s->addseg)
|
| 2403 |
gen_op_mov_reg_A0(1, R_ESP);
|
| 2404 |
else
|
| 2405 |
gen_op_mov_reg_T1(s->ss32 + 1, R_ESP);
|
| 2406 |
} |
| 2407 |
} |
| 2408 |
|
| 2409 |
/* generate a push. It depends on ss32, addseg and dflag */
|
| 2410 |
/* slower version for T1, only used for call Ev */
|
| 2411 |
static void gen_push_T1(DisasContext *s) |
| 2412 |
{
|
| 2413 |
#ifdef TARGET_X86_64
|
| 2414 |
if (CODE64(s)) {
|
| 2415 |
gen_op_movq_A0_reg(R_ESP); |
| 2416 |
if (s->dflag) {
|
| 2417 |
gen_op_addq_A0_im(-8);
|
| 2418 |
gen_op_st_T1_A0(OT_QUAD + s->mem_index); |
| 2419 |
} else {
|
| 2420 |
gen_op_addq_A0_im(-2);
|
| 2421 |
gen_op_st_T0_A0(OT_WORD + s->mem_index); |
| 2422 |
} |
| 2423 |
gen_op_mov_reg_A0(2, R_ESP);
|
| 2424 |
} else
|
| 2425 |
#endif
|
| 2426 |
{
|
| 2427 |
gen_op_movl_A0_reg(R_ESP); |
| 2428 |
if (!s->dflag)
|
| 2429 |
gen_op_addl_A0_im(-2);
|
| 2430 |
else
|
| 2431 |
gen_op_addl_A0_im(-4);
|
| 2432 |
if (s->ss32) {
|
| 2433 |
if (s->addseg) {
|
| 2434 |
gen_op_addl_A0_seg(R_SS); |
| 2435 |
} |
| 2436 |
} else {
|
| 2437 |
gen_op_andl_A0_ffff(); |
| 2438 |
gen_op_addl_A0_seg(R_SS); |
| 2439 |
} |
| 2440 |
gen_op_st_T1_A0(s->dflag + 1 + s->mem_index);
|
| 2441 |
|
| 2442 |
if (s->ss32 && !s->addseg)
|
| 2443 |
gen_op_mov_reg_A0(1, R_ESP);
|
| 2444 |
else
|
| 2445 |
gen_stack_update(s, (-2) << s->dflag);
|
| 2446 |
} |
| 2447 |
} |
| 2448 |
|
| 2449 |
/* two step pop is necessary for precise exceptions */
|
| 2450 |
static void gen_pop_T0(DisasContext *s) |
| 2451 |
{
|
| 2452 |
#ifdef TARGET_X86_64
|
| 2453 |
if (CODE64(s)) {
|
| 2454 |
gen_op_movq_A0_reg(R_ESP); |
| 2455 |
gen_op_ld_T0_A0((s->dflag ? OT_QUAD : OT_WORD) + s->mem_index); |
| 2456 |
} else
|
| 2457 |
#endif
|
| 2458 |
{
|
| 2459 |
gen_op_movl_A0_reg(R_ESP); |
| 2460 |
if (s->ss32) {
|
| 2461 |
if (s->addseg)
|
| 2462 |
gen_op_addl_A0_seg(R_SS); |
| 2463 |
} else {
|
| 2464 |
gen_op_andl_A0_ffff(); |
| 2465 |
gen_op_addl_A0_seg(R_SS); |
| 2466 |
} |
| 2467 |
gen_op_ld_T0_A0(s->dflag + 1 + s->mem_index);
|
| 2468 |
} |
| 2469 |
} |
| 2470 |
|
| 2471 |
static void gen_pop_update(DisasContext *s) |
| 2472 |
{
|
| 2473 |
#ifdef TARGET_X86_64
|
| 2474 |
if (CODE64(s) && s->dflag) {
|
| 2475 |
gen_stack_update(s, 8);
|
| 2476 |
} else
|
| 2477 |
#endif
|
| 2478 |
{
|
| 2479 |
gen_stack_update(s, 2 << s->dflag);
|
| 2480 |
} |
| 2481 |
} |
| 2482 |
|
| 2483 |
static void gen_stack_A0(DisasContext *s) |
| 2484 |
{
|
| 2485 |
gen_op_movl_A0_reg(R_ESP); |
| 2486 |
if (!s->ss32)
|
| 2487 |
gen_op_andl_A0_ffff(); |
| 2488 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2489 |
if (s->addseg)
|
| 2490 |
gen_op_addl_A0_seg(R_SS); |
| 2491 |
} |
| 2492 |
|
| 2493 |
/* NOTE: wrap around in 16 bit not fully handled */
|
| 2494 |
static void gen_pusha(DisasContext *s) |
| 2495 |
{
|
| 2496 |
int i;
|
| 2497 |
gen_op_movl_A0_reg(R_ESP); |
| 2498 |
gen_op_addl_A0_im(-16 << s->dflag);
|
| 2499 |
if (!s->ss32)
|
| 2500 |
gen_op_andl_A0_ffff(); |
| 2501 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2502 |
if (s->addseg)
|
| 2503 |
gen_op_addl_A0_seg(R_SS); |
| 2504 |
for(i = 0;i < 8; i++) { |
| 2505 |
gen_op_mov_TN_reg(OT_LONG, 0, 7 - i); |
| 2506 |
gen_op_st_T0_A0(OT_WORD + s->dflag + s->mem_index); |
| 2507 |
gen_op_addl_A0_im(2 << s->dflag);
|
| 2508 |
} |
| 2509 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| 2510 |
} |
| 2511 |
|
| 2512 |
/* NOTE: wrap around in 16 bit not fully handled */
|
| 2513 |
static void gen_popa(DisasContext *s) |
| 2514 |
{
|
| 2515 |
int i;
|
| 2516 |
gen_op_movl_A0_reg(R_ESP); |
| 2517 |
if (!s->ss32)
|
| 2518 |
gen_op_andl_A0_ffff(); |
| 2519 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2520 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], 16 << s->dflag); |
| 2521 |
if (s->addseg)
|
| 2522 |
gen_op_addl_A0_seg(R_SS); |
| 2523 |
for(i = 0;i < 8; i++) { |
| 2524 |
/* ESP is not reloaded */
|
| 2525 |
if (i != 3) { |
| 2526 |
gen_op_ld_T0_A0(OT_WORD + s->dflag + s->mem_index); |
| 2527 |
gen_op_mov_reg_T0(OT_WORD + s->dflag, 7 - i);
|
| 2528 |
} |
| 2529 |
gen_op_addl_A0_im(2 << s->dflag);
|
| 2530 |
} |
| 2531 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| 2532 |
} |
| 2533 |
|
| 2534 |
static void gen_enter(DisasContext *s, int esp_addend, int level) |
| 2535 |
{
|
| 2536 |
int ot, opsize;
|
| 2537 |
|
| 2538 |
level &= 0x1f;
|
| 2539 |
#ifdef TARGET_X86_64
|
| 2540 |
if (CODE64(s)) {
|
| 2541 |
ot = s->dflag ? OT_QUAD : OT_WORD; |
| 2542 |
opsize = 1 << ot;
|
| 2543 |
|
| 2544 |
gen_op_movl_A0_reg(R_ESP); |
| 2545 |
gen_op_addq_A0_im(-opsize); |
| 2546 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2547 |
|
| 2548 |
/* push bp */
|
| 2549 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
| 2550 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 2551 |
if (level) {
|
| 2552 |
/* XXX: must save state */
|
| 2553 |
tcg_gen_helper_0_3(helper_enter64_level, |
| 2554 |
tcg_const_i32(level), |
| 2555 |
tcg_const_i32((ot == OT_QUAD)), |
| 2556 |
cpu_T[1]);
|
| 2557 |
} |
| 2558 |
gen_op_mov_reg_T1(ot, R_EBP); |
| 2559 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
| 2560 |
gen_op_mov_reg_T1(OT_QUAD, R_ESP); |
| 2561 |
} else
|
| 2562 |
#endif
|
| 2563 |
{
|
| 2564 |
ot = s->dflag + OT_WORD; |
| 2565 |
opsize = 2 << s->dflag;
|
| 2566 |
|
| 2567 |
gen_op_movl_A0_reg(R_ESP); |
| 2568 |
gen_op_addl_A0_im(-opsize); |
| 2569 |
if (!s->ss32)
|
| 2570 |
gen_op_andl_A0_ffff(); |
| 2571 |
tcg_gen_mov_tl(cpu_T[1], cpu_A0);
|
| 2572 |
if (s->addseg)
|
| 2573 |
gen_op_addl_A0_seg(R_SS); |
| 2574 |
/* push bp */
|
| 2575 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
| 2576 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 2577 |
if (level) {
|
| 2578 |
/* XXX: must save state */
|
| 2579 |
tcg_gen_helper_0_3(helper_enter_level, |
| 2580 |
tcg_const_i32(level), |
| 2581 |
tcg_const_i32(s->dflag), |
| 2582 |
cpu_T[1]);
|
| 2583 |
} |
| 2584 |
gen_op_mov_reg_T1(ot, R_EBP); |
| 2585 |
tcg_gen_addi_tl(cpu_T[1], cpu_T[1], -esp_addend + (-opsize * level)); |
| 2586 |
gen_op_mov_reg_T1(OT_WORD + s->ss32, R_ESP); |
| 2587 |
} |
| 2588 |
} |
| 2589 |
|
| 2590 |
static void gen_exception(DisasContext *s, int trapno, target_ulong cur_eip) |
| 2591 |
{
|
| 2592 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2593 |
gen_op_set_cc_op(s->cc_op); |
| 2594 |
gen_jmp_im(cur_eip); |
| 2595 |
tcg_gen_helper_0_1(helper_raise_exception, tcg_const_i32(trapno)); |
| 2596 |
s->is_jmp = 3;
|
| 2597 |
} |
| 2598 |
|
| 2599 |
/* an interrupt is different from an exception because of the
|
| 2600 |
privilege checks */
|
| 2601 |
static void gen_interrupt(DisasContext *s, int intno, |
| 2602 |
target_ulong cur_eip, target_ulong next_eip) |
| 2603 |
{
|
| 2604 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2605 |
gen_op_set_cc_op(s->cc_op); |
| 2606 |
gen_jmp_im(cur_eip); |
| 2607 |
tcg_gen_helper_0_2(helper_raise_interrupt, |
| 2608 |
tcg_const_i32(intno), |
| 2609 |
tcg_const_i32(next_eip - cur_eip)); |
| 2610 |
s->is_jmp = 3;
|
| 2611 |
} |
| 2612 |
|
| 2613 |
static void gen_debug(DisasContext *s, target_ulong cur_eip) |
| 2614 |
{
|
| 2615 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2616 |
gen_op_set_cc_op(s->cc_op); |
| 2617 |
gen_jmp_im(cur_eip); |
| 2618 |
tcg_gen_helper_0_0(helper_debug); |
| 2619 |
s->is_jmp = 3;
|
| 2620 |
} |
| 2621 |
|
| 2622 |
/* generate a generic end of block. Trace exception is also generated
|
| 2623 |
if needed */
|
| 2624 |
static void gen_eob(DisasContext *s) |
| 2625 |
{
|
| 2626 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 2627 |
gen_op_set_cc_op(s->cc_op); |
| 2628 |
if (s->tb->flags & HF_INHIBIT_IRQ_MASK) {
|
| 2629 |
tcg_gen_helper_0_0(helper_reset_inhibit_irq); |
| 2630 |
} |
| 2631 |
if (s->singlestep_enabled) {
|
| 2632 |
tcg_gen_helper_0_0(helper_debug); |
| 2633 |
} else if (s->tf) { |
| 2634 |
tcg_gen_helper_0_0(helper_single_step); |
| 2635 |
} else {
|
| 2636 |
tcg_gen_exit_tb(0);
|
| 2637 |
} |
| 2638 |
s->is_jmp = 3;
|
| 2639 |
} |
| 2640 |
|
| 2641 |
/* generate a jump to eip. No segment change must happen before as a
|
| 2642 |
direct call to the next block may occur */
|
| 2643 |
static void gen_jmp_tb(DisasContext *s, target_ulong eip, int tb_num) |
| 2644 |
{
|
| 2645 |
if (s->jmp_opt) {
|
| 2646 |
if (s->cc_op != CC_OP_DYNAMIC) {
|
| 2647 |
gen_op_set_cc_op(s->cc_op); |
| 2648 |
s->cc_op = CC_OP_DYNAMIC; |
| 2649 |
} |
| 2650 |
gen_goto_tb(s, tb_num, eip); |
| 2651 |
s->is_jmp = 3;
|
| 2652 |
} else {
|
| 2653 |
gen_jmp_im(eip); |
| 2654 |
gen_eob(s); |
| 2655 |
} |
| 2656 |
} |
| 2657 |
|
| 2658 |
static void gen_jmp(DisasContext *s, target_ulong eip) |
| 2659 |
{
|
| 2660 |
gen_jmp_tb(s, eip, 0);
|
| 2661 |
} |
| 2662 |
|
| 2663 |
static inline void gen_ldq_env_A0(int idx, int offset) |
| 2664 |
{
|
| 2665 |
int mem_index = (idx >> 2) - 1; |
| 2666 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
| 2667 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset); |
| 2668 |
} |
| 2669 |
|
| 2670 |
static inline void gen_stq_env_A0(int idx, int offset) |
| 2671 |
{
|
| 2672 |
int mem_index = (idx >> 2) - 1; |
| 2673 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset); |
| 2674 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
| 2675 |
} |
| 2676 |
|
| 2677 |
static inline void gen_ldo_env_A0(int idx, int offset) |
| 2678 |
{
|
| 2679 |
int mem_index = (idx >> 2) - 1; |
| 2680 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_A0, mem_index); |
| 2681 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
| 2682 |
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
| 2683 |
tcg_gen_qemu_ld64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
| 2684 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
| 2685 |
} |
| 2686 |
|
| 2687 |
static inline void gen_sto_env_A0(int idx, int offset) |
| 2688 |
{
|
| 2689 |
int mem_index = (idx >> 2) - 1; |
| 2690 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(0)));
|
| 2691 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_A0, mem_index); |
| 2692 |
tcg_gen_addi_tl(cpu_tmp0, cpu_A0, 8);
|
| 2693 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, offset + offsetof(XMMReg, XMM_Q(1)));
|
| 2694 |
tcg_gen_qemu_st64(cpu_tmp1_i64, cpu_tmp0, mem_index); |
| 2695 |
} |
| 2696 |
|
| 2697 |
static inline void gen_op_movo(int d_offset, int s_offset) |
| 2698 |
{
|
| 2699 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
| 2700 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| 2701 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset + 8);
|
| 2702 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset + 8);
|
| 2703 |
} |
| 2704 |
|
| 2705 |
static inline void gen_op_movq(int d_offset, int s_offset) |
| 2706 |
{
|
| 2707 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, s_offset); |
| 2708 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| 2709 |
} |
| 2710 |
|
| 2711 |
static inline void gen_op_movl(int d_offset, int s_offset) |
| 2712 |
{
|
| 2713 |
tcg_gen_ld_i32(cpu_tmp2_i32, cpu_env, s_offset); |
| 2714 |
tcg_gen_st_i32(cpu_tmp2_i32, cpu_env, d_offset); |
| 2715 |
} |
| 2716 |
|
| 2717 |
static inline void gen_op_movq_env_0(int d_offset) |
| 2718 |
{
|
| 2719 |
tcg_gen_movi_i64(cpu_tmp1_i64, 0);
|
| 2720 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, d_offset); |
| 2721 |
} |
| 2722 |
|
| 2723 |
#define SSE_SPECIAL ((void *)1) |
| 2724 |
#define SSE_DUMMY ((void *)2) |
| 2725 |
|
| 2726 |
#define MMX_OP2(x) { helper_ ## x ## _mmx, helper_ ## x ## _xmm } |
| 2727 |
#define SSE_FOP(x) { helper_ ## x ## ps, helper_ ## x ## pd, \ |
| 2728 |
helper_ ## x ## ss, helper_ ## x ## sd, } |
| 2729 |
|
| 2730 |
static void *sse_op_table1[256][4] = { |
| 2731 |
/* 3DNow! extensions */
|
| 2732 |
[0x0e] = { SSE_DUMMY }, /* femms */ |
| 2733 |
[0x0f] = { SSE_DUMMY }, /* pf... */ |
| 2734 |
/* pure SSE operations */
|
| 2735 |
[0x10] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
| 2736 |
[0x11] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movups, movupd, movss, movsd */ |
| 2737 |
[0x12] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd, movsldup, movddup */ |
| 2738 |
[0x13] = { SSE_SPECIAL, SSE_SPECIAL }, /* movlps, movlpd */ |
| 2739 |
[0x14] = { helper_punpckldq_xmm, helper_punpcklqdq_xmm },
|
| 2740 |
[0x15] = { helper_punpckhdq_xmm, helper_punpckhqdq_xmm },
|
| 2741 |
[0x16] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd, movshdup */ |
| 2742 |
[0x17] = { SSE_SPECIAL, SSE_SPECIAL }, /* movhps, movhpd */ |
| 2743 |
|
| 2744 |
[0x28] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
| 2745 |
[0x29] = { SSE_SPECIAL, SSE_SPECIAL }, /* movaps, movapd */ |
| 2746 |
[0x2a] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtpi2ps, cvtpi2pd, cvtsi2ss, cvtsi2sd */ |
| 2747 |
[0x2b] = { SSE_SPECIAL, SSE_SPECIAL }, /* movntps, movntpd */ |
| 2748 |
[0x2c] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvttps2pi, cvttpd2pi, cvttsd2si, cvttss2si */ |
| 2749 |
[0x2d] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* cvtps2pi, cvtpd2pi, cvtsd2si, cvtss2si */ |
| 2750 |
[0x2e] = { helper_ucomiss, helper_ucomisd },
|
| 2751 |
[0x2f] = { helper_comiss, helper_comisd },
|
| 2752 |
[0x50] = { SSE_SPECIAL, SSE_SPECIAL }, /* movmskps, movmskpd */ |
| 2753 |
[0x51] = SSE_FOP(sqrt),
|
| 2754 |
[0x52] = { helper_rsqrtps, NULL, helper_rsqrtss, NULL }, |
| 2755 |
[0x53] = { helper_rcpps, NULL, helper_rcpss, NULL }, |
| 2756 |
[0x54] = { helper_pand_xmm, helper_pand_xmm }, /* andps, andpd */ |
| 2757 |
[0x55] = { helper_pandn_xmm, helper_pandn_xmm }, /* andnps, andnpd */ |
| 2758 |
[0x56] = { helper_por_xmm, helper_por_xmm }, /* orps, orpd */ |
| 2759 |
[0x57] = { helper_pxor_xmm, helper_pxor_xmm }, /* xorps, xorpd */ |
| 2760 |
[0x58] = SSE_FOP(add),
|
| 2761 |
[0x59] = SSE_FOP(mul),
|
| 2762 |
[0x5a] = { helper_cvtps2pd, helper_cvtpd2ps,
|
| 2763 |
helper_cvtss2sd, helper_cvtsd2ss }, |
| 2764 |
[0x5b] = { helper_cvtdq2ps, helper_cvtps2dq, helper_cvttps2dq },
|
| 2765 |
[0x5c] = SSE_FOP(sub),
|
| 2766 |
[0x5d] = SSE_FOP(min),
|
| 2767 |
[0x5e] = SSE_FOP(div),
|
| 2768 |
[0x5f] = SSE_FOP(max),
|
| 2769 |
|
| 2770 |
[0xc2] = SSE_FOP(cmpeq),
|
| 2771 |
[0xc6] = { helper_shufps, helper_shufpd },
|
| 2772 |
|
| 2773 |
/* MMX ops and their SSE extensions */
|
| 2774 |
[0x60] = MMX_OP2(punpcklbw),
|
| 2775 |
[0x61] = MMX_OP2(punpcklwd),
|
| 2776 |
[0x62] = MMX_OP2(punpckldq),
|
| 2777 |
[0x63] = MMX_OP2(packsswb),
|
| 2778 |
[0x64] = MMX_OP2(pcmpgtb),
|
| 2779 |
[0x65] = MMX_OP2(pcmpgtw),
|
| 2780 |
[0x66] = MMX_OP2(pcmpgtl),
|
| 2781 |
[0x67] = MMX_OP2(packuswb),
|
| 2782 |
[0x68] = MMX_OP2(punpckhbw),
|
| 2783 |
[0x69] = MMX_OP2(punpckhwd),
|
| 2784 |
[0x6a] = MMX_OP2(punpckhdq),
|
| 2785 |
[0x6b] = MMX_OP2(packssdw),
|
| 2786 |
[0x6c] = { NULL, helper_punpcklqdq_xmm }, |
| 2787 |
[0x6d] = { NULL, helper_punpckhqdq_xmm }, |
| 2788 |
[0x6e] = { SSE_SPECIAL, SSE_SPECIAL }, /* movd mm, ea */ |
| 2789 |
[0x6f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, , movqdu */ |
| 2790 |
[0x70] = { helper_pshufw_mmx,
|
| 2791 |
helper_pshufd_xmm, |
| 2792 |
helper_pshufhw_xmm, |
| 2793 |
helper_pshuflw_xmm }, |
| 2794 |
[0x71] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftw */ |
| 2795 |
[0x72] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftd */ |
| 2796 |
[0x73] = { SSE_SPECIAL, SSE_SPECIAL }, /* shiftq */ |
| 2797 |
[0x74] = MMX_OP2(pcmpeqb),
|
| 2798 |
[0x75] = MMX_OP2(pcmpeqw),
|
| 2799 |
[0x76] = MMX_OP2(pcmpeql),
|
| 2800 |
[0x77] = { SSE_DUMMY }, /* emms */ |
| 2801 |
[0x7c] = { NULL, helper_haddpd, NULL, helper_haddps }, |
| 2802 |
[0x7d] = { NULL, helper_hsubpd, NULL, helper_hsubps }, |
| 2803 |
[0x7e] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movd, movd, , movq */ |
| 2804 |
[0x7f] = { SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, /* movq, movdqa, movdqu */ |
| 2805 |
[0xc4] = { SSE_SPECIAL, SSE_SPECIAL }, /* pinsrw */ |
| 2806 |
[0xc5] = { SSE_SPECIAL, SSE_SPECIAL }, /* pextrw */ |
| 2807 |
[0xd0] = { NULL, helper_addsubpd, NULL, helper_addsubps }, |
| 2808 |
[0xd1] = MMX_OP2(psrlw),
|
| 2809 |
[0xd2] = MMX_OP2(psrld),
|
| 2810 |
[0xd3] = MMX_OP2(psrlq),
|
| 2811 |
[0xd4] = MMX_OP2(paddq),
|
| 2812 |
[0xd5] = MMX_OP2(pmullw),
|
| 2813 |
[0xd6] = { NULL, SSE_SPECIAL, SSE_SPECIAL, SSE_SPECIAL }, |
| 2814 |
[0xd7] = { SSE_SPECIAL, SSE_SPECIAL }, /* pmovmskb */ |
| 2815 |
[0xd8] = MMX_OP2(psubusb),
|
| 2816 |
[0xd9] = MMX_OP2(psubusw),
|
| 2817 |
[0xda] = MMX_OP2(pminub),
|
| 2818 |
[0xdb] = MMX_OP2(pand),
|
| 2819 |
[0xdc] = MMX_OP2(paddusb),
|
| 2820 |
[0xdd] = MMX_OP2(paddusw),
|
| 2821 |
[0xde] = MMX_OP2(pmaxub),
|
| 2822 |
[0xdf] = MMX_OP2(pandn),
|
| 2823 |
[0xe0] = MMX_OP2(pavgb),
|
| 2824 |
[0xe1] = MMX_OP2(psraw),
|
| 2825 |
[0xe2] = MMX_OP2(psrad),
|
| 2826 |
[0xe3] = MMX_OP2(pavgw),
|
| 2827 |
[0xe4] = MMX_OP2(pmulhuw),
|
| 2828 |
[0xe5] = MMX_OP2(pmulhw),
|
| 2829 |
[0xe6] = { NULL, helper_cvttpd2dq, helper_cvtdq2pd, helper_cvtpd2dq }, |
| 2830 |
[0xe7] = { SSE_SPECIAL , SSE_SPECIAL }, /* movntq, movntq */ |
| 2831 |
[0xe8] = MMX_OP2(psubsb),
|
| 2832 |
[0xe9] = MMX_OP2(psubsw),
|
| 2833 |
[0xea] = MMX_OP2(pminsw),
|
| 2834 |
[0xeb] = MMX_OP2(por),
|
| 2835 |
[0xec] = MMX_OP2(paddsb),
|
| 2836 |
[0xed] = MMX_OP2(paddsw),
|
| 2837 |
[0xee] = MMX_OP2(pmaxsw),
|
| 2838 |
[0xef] = MMX_OP2(pxor),
|
| 2839 |
[0xf0] = { NULL, NULL, NULL, SSE_SPECIAL }, /* lddqu */ |
| 2840 |
[0xf1] = MMX_OP2(psllw),
|
| 2841 |
[0xf2] = MMX_OP2(pslld),
|
| 2842 |
[0xf3] = MMX_OP2(psllq),
|
| 2843 |
[0xf4] = MMX_OP2(pmuludq),
|
| 2844 |
[0xf5] = MMX_OP2(pmaddwd),
|
| 2845 |
[0xf6] = MMX_OP2(psadbw),
|
| 2846 |
[0xf7] = MMX_OP2(maskmov),
|
| 2847 |
[0xf8] = MMX_OP2(psubb),
|
| 2848 |
[0xf9] = MMX_OP2(psubw),
|
| 2849 |
[0xfa] = MMX_OP2(psubl),
|
| 2850 |
[0xfb] = MMX_OP2(psubq),
|
| 2851 |
[0xfc] = MMX_OP2(paddb),
|
| 2852 |
[0xfd] = MMX_OP2(paddw),
|
| 2853 |
[0xfe] = MMX_OP2(paddl),
|
| 2854 |
}; |
| 2855 |
|
| 2856 |
static void *sse_op_table2[3 * 8][2] = { |
| 2857 |
[0 + 2] = MMX_OP2(psrlw), |
| 2858 |
[0 + 4] = MMX_OP2(psraw), |
| 2859 |
[0 + 6] = MMX_OP2(psllw), |
| 2860 |
[8 + 2] = MMX_OP2(psrld), |
| 2861 |
[8 + 4] = MMX_OP2(psrad), |
| 2862 |
[8 + 6] = MMX_OP2(pslld), |
| 2863 |
[16 + 2] = MMX_OP2(psrlq), |
| 2864 |
[16 + 3] = { NULL, helper_psrldq_xmm }, |
| 2865 |
[16 + 6] = MMX_OP2(psllq), |
| 2866 |
[16 + 7] = { NULL, helper_pslldq_xmm }, |
| 2867 |
}; |
| 2868 |
|
| 2869 |
static void *sse_op_table3[4 * 3] = { |
| 2870 |
helper_cvtsi2ss, |
| 2871 |
helper_cvtsi2sd, |
| 2872 |
X86_64_ONLY(helper_cvtsq2ss), |
| 2873 |
X86_64_ONLY(helper_cvtsq2sd), |
| 2874 |
|
| 2875 |
helper_cvttss2si, |
| 2876 |
helper_cvttsd2si, |
| 2877 |
X86_64_ONLY(helper_cvttss2sq), |
| 2878 |
X86_64_ONLY(helper_cvttsd2sq), |
| 2879 |
|
| 2880 |
helper_cvtss2si, |
| 2881 |
helper_cvtsd2si, |
| 2882 |
X86_64_ONLY(helper_cvtss2sq), |
| 2883 |
X86_64_ONLY(helper_cvtsd2sq), |
| 2884 |
}; |
| 2885 |
|
| 2886 |
static void *sse_op_table4[8][4] = { |
| 2887 |
SSE_FOP(cmpeq), |
| 2888 |
SSE_FOP(cmplt), |
| 2889 |
SSE_FOP(cmple), |
| 2890 |
SSE_FOP(cmpunord), |
| 2891 |
SSE_FOP(cmpneq), |
| 2892 |
SSE_FOP(cmpnlt), |
| 2893 |
SSE_FOP(cmpnle), |
| 2894 |
SSE_FOP(cmpord), |
| 2895 |
}; |
| 2896 |
|
| 2897 |
static void *sse_op_table5[256] = { |
| 2898 |
[0x0c] = helper_pi2fw,
|
| 2899 |
[0x0d] = helper_pi2fd,
|
| 2900 |
[0x1c] = helper_pf2iw,
|
| 2901 |
[0x1d] = helper_pf2id,
|
| 2902 |
[0x8a] = helper_pfnacc,
|
| 2903 |
[0x8e] = helper_pfpnacc,
|
| 2904 |
[0x90] = helper_pfcmpge,
|
| 2905 |
[0x94] = helper_pfmin,
|
| 2906 |
[0x96] = helper_pfrcp,
|
| 2907 |
[0x97] = helper_pfrsqrt,
|
| 2908 |
[0x9a] = helper_pfsub,
|
| 2909 |
[0x9e] = helper_pfadd,
|
| 2910 |
[0xa0] = helper_pfcmpgt,
|
| 2911 |
[0xa4] = helper_pfmax,
|
| 2912 |
[0xa6] = helper_movq, /* pfrcpit1; no need to actually increase precision */ |
| 2913 |
[0xa7] = helper_movq, /* pfrsqit1 */ |
| 2914 |
[0xaa] = helper_pfsubr,
|
| 2915 |
[0xae] = helper_pfacc,
|
| 2916 |
[0xb0] = helper_pfcmpeq,
|
| 2917 |
[0xb4] = helper_pfmul,
|
| 2918 |
[0xb6] = helper_movq, /* pfrcpit2 */ |
| 2919 |
[0xb7] = helper_pmulhrw_mmx,
|
| 2920 |
[0xbb] = helper_pswapd,
|
| 2921 |
[0xbf] = helper_pavgb_mmx /* pavgusb */ |
| 2922 |
}; |
| 2923 |
|
| 2924 |
static void gen_sse(DisasContext *s, int b, target_ulong pc_start, int rex_r) |
| 2925 |
{
|
| 2926 |
int b1, op1_offset, op2_offset, is_xmm, val, ot;
|
| 2927 |
int modrm, mod, rm, reg, reg_addr, offset_addr;
|
| 2928 |
void *sse_op2;
|
| 2929 |
|
| 2930 |
b &= 0xff;
|
| 2931 |
if (s->prefix & PREFIX_DATA)
|
| 2932 |
b1 = 1;
|
| 2933 |
else if (s->prefix & PREFIX_REPZ) |
| 2934 |
b1 = 2;
|
| 2935 |
else if (s->prefix & PREFIX_REPNZ) |
| 2936 |
b1 = 3;
|
| 2937 |
else
|
| 2938 |
b1 = 0;
|
| 2939 |
sse_op2 = sse_op_table1[b][b1]; |
| 2940 |
if (!sse_op2)
|
| 2941 |
goto illegal_op;
|
| 2942 |
if ((b <= 0x5f && b >= 0x10) || b == 0xc6 || b == 0xc2) { |
| 2943 |
is_xmm = 1;
|
| 2944 |
} else {
|
| 2945 |
if (b1 == 0) { |
| 2946 |
/* MMX case */
|
| 2947 |
is_xmm = 0;
|
| 2948 |
} else {
|
| 2949 |
is_xmm = 1;
|
| 2950 |
} |
| 2951 |
} |
| 2952 |
/* simple MMX/SSE operation */
|
| 2953 |
if (s->flags & HF_TS_MASK) {
|
| 2954 |
gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); |
| 2955 |
return;
|
| 2956 |
} |
| 2957 |
if (s->flags & HF_EM_MASK) {
|
| 2958 |
illegal_op:
|
| 2959 |
gen_exception(s, EXCP06_ILLOP, pc_start - s->cs_base); |
| 2960 |
return;
|
| 2961 |
} |
| 2962 |
if (is_xmm && !(s->flags & HF_OSFXSR_MASK))
|
| 2963 |
goto illegal_op;
|
| 2964 |
if (b == 0x0e) { |
| 2965 |
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
| 2966 |
goto illegal_op;
|
| 2967 |
/* femms */
|
| 2968 |
tcg_gen_helper_0_0(helper_emms); |
| 2969 |
return;
|
| 2970 |
} |
| 2971 |
if (b == 0x77) { |
| 2972 |
/* emms */
|
| 2973 |
tcg_gen_helper_0_0(helper_emms); |
| 2974 |
return;
|
| 2975 |
} |
| 2976 |
/* prepare MMX state (XXX: optimize by storing fptt and fptags in
|
| 2977 |
the static cpu state) */
|
| 2978 |
if (!is_xmm) {
|
| 2979 |
tcg_gen_helper_0_0(helper_enter_mmx); |
| 2980 |
} |
| 2981 |
|
| 2982 |
modrm = ldub_code(s->pc++); |
| 2983 |
reg = ((modrm >> 3) & 7); |
| 2984 |
if (is_xmm)
|
| 2985 |
reg |= rex_r; |
| 2986 |
mod = (modrm >> 6) & 3; |
| 2987 |
if (sse_op2 == SSE_SPECIAL) {
|
| 2988 |
b |= (b1 << 8);
|
| 2989 |
switch(b) {
|
| 2990 |
case 0x0e7: /* movntq */ |
| 2991 |
if (mod == 3) |
| 2992 |
goto illegal_op;
|
| 2993 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 2994 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| 2995 |
break;
|
| 2996 |
case 0x1e7: /* movntdq */ |
| 2997 |
case 0x02b: /* movntps */ |
| 2998 |
case 0x12b: /* movntps */ |
| 2999 |
case 0x3f0: /* lddqu */ |
| 3000 |
if (mod == 3) |
| 3001 |
goto illegal_op;
|
| 3002 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3003 |
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| 3004 |
break;
|
| 3005 |
case 0x6e: /* movd mm, ea */ |
| 3006 |
#ifdef TARGET_X86_64
|
| 3007 |
if (s->dflag == 2) { |
| 3008 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
| 3009 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,fpregs[reg].mmx));
|
| 3010 |
} else
|
| 3011 |
#endif
|
| 3012 |
{
|
| 3013 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
| 3014 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| 3015 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3016 |
tcg_gen_helper_0_2(helper_movl_mm_T0_mmx, cpu_ptr0, cpu_T[0]);
|
| 3017 |
} |
| 3018 |
break;
|
| 3019 |
case 0x16e: /* movd xmm, ea */ |
| 3020 |
#ifdef TARGET_X86_64
|
| 3021 |
if (s->dflag == 2) { |
| 3022 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 0);
|
| 3023 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| 3024 |
offsetof(CPUX86State,xmm_regs[reg])); |
| 3025 |
tcg_gen_helper_0_2(helper_movq_mm_T0_xmm, cpu_ptr0, cpu_T[0]);
|
| 3026 |
} else
|
| 3027 |
#endif
|
| 3028 |
{
|
| 3029 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 0);
|
| 3030 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| 3031 |
offsetof(CPUX86State,xmm_regs[reg])); |
| 3032 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 3033 |
tcg_gen_helper_0_2(helper_movl_mm_T0_xmm, cpu_ptr0, cpu_tmp2_i32); |
| 3034 |
} |
| 3035 |
break;
|
| 3036 |
case 0x6f: /* movq mm, ea */ |
| 3037 |
if (mod != 3) { |
| 3038 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3039 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3040 |
} else {
|
| 3041 |
rm = (modrm & 7);
|
| 3042 |
tcg_gen_ld_i64(cpu_tmp1_i64, cpu_env, |
| 3043 |
offsetof(CPUX86State,fpregs[rm].mmx)); |
| 3044 |
tcg_gen_st_i64(cpu_tmp1_i64, cpu_env, |
| 3045 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3046 |
} |
| 3047 |
break;
|
| 3048 |
case 0x010: /* movups */ |
| 3049 |
case 0x110: /* movupd */ |
| 3050 |
case 0x028: /* movaps */ |
| 3051 |
case 0x128: /* movapd */ |
| 3052 |
case 0x16f: /* movdqa xmm, ea */ |
| 3053 |
case 0x26f: /* movdqu xmm, ea */ |
| 3054 |
if (mod != 3) { |
| 3055 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3056 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| 3057 |
} else {
|
| 3058 |
rm = (modrm & 7) | REX_B(s);
|
| 3059 |
gen_op_movo(offsetof(CPUX86State,xmm_regs[reg]), |
| 3060 |
offsetof(CPUX86State,xmm_regs[rm])); |
| 3061 |
} |
| 3062 |
break;
|
| 3063 |
case 0x210: /* movss xmm, ea */ |
| 3064 |
if (mod != 3) { |
| 3065 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3066 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| 3067 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| 3068 |
gen_op_movl_T0_0(); |
| 3069 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(1))); |
| 3070 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| 3071 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
| 3072 |
} else {
|
| 3073 |
rm = (modrm & 7) | REX_B(s);
|
| 3074 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
| 3075 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
| 3076 |
} |
| 3077 |
break;
|
| 3078 |
case 0x310: /* movsd xmm, ea */ |
| 3079 |
if (mod != 3) { |
| 3080 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3081 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3082 |
gen_op_movl_T0_0(); |
| 3083 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(2))); |
| 3084 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(3))); |
| 3085 |
} else {
|
| 3086 |
rm = (modrm & 7) | REX_B(s);
|
| 3087 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
| 3088 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
| 3089 |
} |
| 3090 |
break;
|
| 3091 |
case 0x012: /* movlps */ |
| 3092 |
case 0x112: /* movlpd */ |
| 3093 |
if (mod != 3) { |
| 3094 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3095 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3096 |
} else {
|
| 3097 |
/* movhlps */
|
| 3098 |
rm = (modrm & 7) | REX_B(s);
|
| 3099 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
| 3100 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
| 3101 |
} |
| 3102 |
break;
|
| 3103 |
case 0x212: /* movsldup */ |
| 3104 |
if (mod != 3) { |
| 3105 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3106 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| 3107 |
} else {
|
| 3108 |
rm = (modrm & 7) | REX_B(s);
|
| 3109 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
| 3110 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)));
|
| 3111 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
| 3112 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(2)));
|
| 3113 |
} |
| 3114 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
| 3115 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
| 3116 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
| 3117 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)));
|
| 3118 |
break;
|
| 3119 |
case 0x312: /* movddup */ |
| 3120 |
if (mod != 3) { |
| 3121 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3122 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3123 |
} else {
|
| 3124 |
rm = (modrm & 7) | REX_B(s);
|
| 3125 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
| 3126 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
| 3127 |
} |
| 3128 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
| 3129 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3130 |
break;
|
| 3131 |
case 0x016: /* movhps */ |
| 3132 |
case 0x116: /* movhpd */ |
| 3133 |
if (mod != 3) { |
| 3134 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3135 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
| 3136 |
} else {
|
| 3137 |
/* movlhps */
|
| 3138 |
rm = (modrm & 7) | REX_B(s);
|
| 3139 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)),
|
| 3140 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
| 3141 |
} |
| 3142 |
break;
|
| 3143 |
case 0x216: /* movshdup */ |
| 3144 |
if (mod != 3) { |
| 3145 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3146 |
gen_ldo_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| 3147 |
} else {
|
| 3148 |
rm = (modrm & 7) | REX_B(s);
|
| 3149 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)),
|
| 3150 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(1)));
|
| 3151 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)),
|
| 3152 |
offsetof(CPUX86State,xmm_regs[rm].XMM_L(3)));
|
| 3153 |
} |
| 3154 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)),
|
| 3155 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(1)));
|
| 3156 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[reg].XMM_L(2)),
|
| 3157 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(3)));
|
| 3158 |
break;
|
| 3159 |
case 0x7e: /* movd ea, mm */ |
| 3160 |
#ifdef TARGET_X86_64
|
| 3161 |
if (s->dflag == 2) { |
| 3162 |
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
| 3163 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3164 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
| 3165 |
} else
|
| 3166 |
#endif
|
| 3167 |
{
|
| 3168 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
| 3169 |
offsetof(CPUX86State,fpregs[reg].mmx.MMX_L(0)));
|
| 3170 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
| 3171 |
} |
| 3172 |
break;
|
| 3173 |
case 0x17e: /* movd ea, xmm */ |
| 3174 |
#ifdef TARGET_X86_64
|
| 3175 |
if (s->dflag == 2) { |
| 3176 |
tcg_gen_ld_i64(cpu_T[0], cpu_env,
|
| 3177 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3178 |
gen_ldst_modrm(s, modrm, OT_QUAD, OR_TMP0, 1);
|
| 3179 |
} else
|
| 3180 |
#endif
|
| 3181 |
{
|
| 3182 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env,
|
| 3183 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
| 3184 |
gen_ldst_modrm(s, modrm, OT_LONG, OR_TMP0, 1);
|
| 3185 |
} |
| 3186 |
break;
|
| 3187 |
case 0x27e: /* movq xmm, ea */ |
| 3188 |
if (mod != 3) { |
| 3189 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3190 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3191 |
} else {
|
| 3192 |
rm = (modrm & 7) | REX_B(s);
|
| 3193 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
| 3194 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
| 3195 |
} |
| 3196 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
| 3197 |
break;
|
| 3198 |
case 0x7f: /* movq ea, mm */ |
| 3199 |
if (mod != 3) { |
| 3200 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3201 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3202 |
} else {
|
| 3203 |
rm = (modrm & 7);
|
| 3204 |
gen_op_movq(offsetof(CPUX86State,fpregs[rm].mmx), |
| 3205 |
offsetof(CPUX86State,fpregs[reg].mmx)); |
| 3206 |
} |
| 3207 |
break;
|
| 3208 |
case 0x011: /* movups */ |
| 3209 |
case 0x111: /* movupd */ |
| 3210 |
case 0x029: /* movaps */ |
| 3211 |
case 0x129: /* movapd */ |
| 3212 |
case 0x17f: /* movdqa ea, xmm */ |
| 3213 |
case 0x27f: /* movdqu ea, xmm */ |
| 3214 |
if (mod != 3) { |
| 3215 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3216 |
gen_sto_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg])); |
| 3217 |
} else {
|
| 3218 |
rm = (modrm & 7) | REX_B(s);
|
| 3219 |
gen_op_movo(offsetof(CPUX86State,xmm_regs[rm]), |
| 3220 |
offsetof(CPUX86State,xmm_regs[reg])); |
| 3221 |
} |
| 3222 |
break;
|
| 3223 |
case 0x211: /* movss ea, xmm */ |
| 3224 |
if (mod != 3) { |
| 3225 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3226 |
tcg_gen_ld32u_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_regs[reg].XMM_L(0))); |
| 3227 |
gen_op_st_T0_A0(OT_LONG + s->mem_index); |
| 3228 |
} else {
|
| 3229 |
rm = (modrm & 7) | REX_B(s);
|
| 3230 |
gen_op_movl(offsetof(CPUX86State,xmm_regs[rm].XMM_L(0)),
|
| 3231 |
offsetof(CPUX86State,xmm_regs[reg].XMM_L(0)));
|
| 3232 |
} |
| 3233 |
break;
|
| 3234 |
case 0x311: /* movsd ea, xmm */ |
| 3235 |
if (mod != 3) { |
| 3236 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3237 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3238 |
} else {
|
| 3239 |
rm = (modrm & 7) | REX_B(s);
|
| 3240 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
| 3241 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3242 |
} |
| 3243 |
break;
|
| 3244 |
case 0x013: /* movlps */ |
| 3245 |
case 0x113: /* movlpd */ |
| 3246 |
if (mod != 3) { |
| 3247 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3248 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3249 |
} else {
|
| 3250 |
goto illegal_op;
|
| 3251 |
} |
| 3252 |
break;
|
| 3253 |
case 0x017: /* movhps */ |
| 3254 |
case 0x117: /* movhpd */ |
| 3255 |
if (mod != 3) { |
| 3256 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3257 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
| 3258 |
} else {
|
| 3259 |
goto illegal_op;
|
| 3260 |
} |
| 3261 |
break;
|
| 3262 |
case 0x71: /* shift mm, im */ |
| 3263 |
case 0x72: |
| 3264 |
case 0x73: |
| 3265 |
case 0x171: /* shift xmm, im */ |
| 3266 |
case 0x172: |
| 3267 |
case 0x173: |
| 3268 |
val = ldub_code(s->pc++); |
| 3269 |
if (is_xmm) {
|
| 3270 |
gen_op_movl_T0_im(val); |
| 3271 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| 3272 |
gen_op_movl_T0_0(); |
| 3273 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(1))); |
| 3274 |
op1_offset = offsetof(CPUX86State,xmm_t0); |
| 3275 |
} else {
|
| 3276 |
gen_op_movl_T0_im(val); |
| 3277 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(0))); |
| 3278 |
gen_op_movl_T0_0(); |
| 3279 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,mmx_t0.MMX_L(1))); |
| 3280 |
op1_offset = offsetof(CPUX86State,mmx_t0); |
| 3281 |
} |
| 3282 |
sse_op2 = sse_op_table2[((b - 1) & 3) * 8 + (((modrm >> 3)) & 7)][b1]; |
| 3283 |
if (!sse_op2)
|
| 3284 |
goto illegal_op;
|
| 3285 |
if (is_xmm) {
|
| 3286 |
rm = (modrm & 7) | REX_B(s);
|
| 3287 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| 3288 |
} else {
|
| 3289 |
rm = (modrm & 7);
|
| 3290 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| 3291 |
} |
| 3292 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
| 3293 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op1_offset); |
| 3294 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| 3295 |
break;
|
| 3296 |
case 0x050: /* movmskps */ |
| 3297 |
rm = (modrm & 7) | REX_B(s);
|
| 3298 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| 3299 |
offsetof(CPUX86State,xmm_regs[rm])); |
| 3300 |
tcg_gen_helper_1_1(helper_movmskps, cpu_tmp2_i32, cpu_ptr0); |
| 3301 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
| 3302 |
gen_op_mov_reg_T0(OT_LONG, reg); |
| 3303 |
break;
|
| 3304 |
case 0x150: /* movmskpd */ |
| 3305 |
rm = (modrm & 7) | REX_B(s);
|
| 3306 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, |
| 3307 |
offsetof(CPUX86State,xmm_regs[rm])); |
| 3308 |
tcg_gen_helper_1_1(helper_movmskpd, cpu_tmp2_i32, cpu_ptr0); |
| 3309 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
| 3310 |
gen_op_mov_reg_T0(OT_LONG, reg); |
| 3311 |
break;
|
| 3312 |
case 0x02a: /* cvtpi2ps */ |
| 3313 |
case 0x12a: /* cvtpi2pd */ |
| 3314 |
tcg_gen_helper_0_0(helper_enter_mmx); |
| 3315 |
if (mod != 3) { |
| 3316 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3317 |
op2_offset = offsetof(CPUX86State,mmx_t0); |
| 3318 |
gen_ldq_env_A0(s->mem_index, op2_offset); |
| 3319 |
} else {
|
| 3320 |
rm = (modrm & 7);
|
| 3321 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| 3322 |
} |
| 3323 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| 3324 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3325 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3326 |
switch(b >> 8) { |
| 3327 |
case 0x0: |
| 3328 |
tcg_gen_helper_0_2(helper_cvtpi2ps, cpu_ptr0, cpu_ptr1); |
| 3329 |
break;
|
| 3330 |
default:
|
| 3331 |
case 0x1: |
| 3332 |
tcg_gen_helper_0_2(helper_cvtpi2pd, cpu_ptr0, cpu_ptr1); |
| 3333 |
break;
|
| 3334 |
} |
| 3335 |
break;
|
| 3336 |
case 0x22a: /* cvtsi2ss */ |
| 3337 |
case 0x32a: /* cvtsi2sd */ |
| 3338 |
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
| 3339 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
| 3340 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| 3341 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3342 |
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2)]; |
| 3343 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 3344 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_tmp2_i32); |
| 3345 |
break;
|
| 3346 |
case 0x02c: /* cvttps2pi */ |
| 3347 |
case 0x12c: /* cvttpd2pi */ |
| 3348 |
case 0x02d: /* cvtps2pi */ |
| 3349 |
case 0x12d: /* cvtpd2pi */ |
| 3350 |
tcg_gen_helper_0_0(helper_enter_mmx); |
| 3351 |
if (mod != 3) { |
| 3352 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3353 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
| 3354 |
gen_ldo_env_A0(s->mem_index, op2_offset); |
| 3355 |
} else {
|
| 3356 |
rm = (modrm & 7) | REX_B(s);
|
| 3357 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| 3358 |
} |
| 3359 |
op1_offset = offsetof(CPUX86State,fpregs[reg & 7].mmx);
|
| 3360 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3361 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3362 |
switch(b) {
|
| 3363 |
case 0x02c: |
| 3364 |
tcg_gen_helper_0_2(helper_cvttps2pi, cpu_ptr0, cpu_ptr1); |
| 3365 |
break;
|
| 3366 |
case 0x12c: |
| 3367 |
tcg_gen_helper_0_2(helper_cvttpd2pi, cpu_ptr0, cpu_ptr1); |
| 3368 |
break;
|
| 3369 |
case 0x02d: |
| 3370 |
tcg_gen_helper_0_2(helper_cvtps2pi, cpu_ptr0, cpu_ptr1); |
| 3371 |
break;
|
| 3372 |
case 0x12d: |
| 3373 |
tcg_gen_helper_0_2(helper_cvtpd2pi, cpu_ptr0, cpu_ptr1); |
| 3374 |
break;
|
| 3375 |
} |
| 3376 |
break;
|
| 3377 |
case 0x22c: /* cvttss2si */ |
| 3378 |
case 0x32c: /* cvttsd2si */ |
| 3379 |
case 0x22d: /* cvtss2si */ |
| 3380 |
case 0x32d: /* cvtsd2si */ |
| 3381 |
ot = (s->dflag == 2) ? OT_QUAD : OT_LONG;
|
| 3382 |
if (mod != 3) { |
| 3383 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3384 |
if ((b >> 8) & 1) { |
| 3385 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_Q(0)));
|
| 3386 |
} else {
|
| 3387 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| 3388 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| 3389 |
} |
| 3390 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
| 3391 |
} else {
|
| 3392 |
rm = (modrm & 7) | REX_B(s);
|
| 3393 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| 3394 |
} |
| 3395 |
sse_op2 = sse_op_table3[(s->dflag == 2) * 2 + ((b >> 8) - 2) + 4 + |
| 3396 |
(b & 1) * 4]; |
| 3397 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op2_offset); |
| 3398 |
if (ot == OT_LONG) {
|
| 3399 |
tcg_gen_helper_1_1(sse_op2, cpu_tmp2_i32, cpu_ptr0); |
| 3400 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
| 3401 |
} else {
|
| 3402 |
tcg_gen_helper_1_1(sse_op2, cpu_T[0], cpu_ptr0);
|
| 3403 |
} |
| 3404 |
gen_op_mov_reg_T0(ot, reg); |
| 3405 |
break;
|
| 3406 |
case 0xc4: /* pinsrw */ |
| 3407 |
case 0x1c4: |
| 3408 |
s->rip_offset = 1;
|
| 3409 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
| 3410 |
val = ldub_code(s->pc++); |
| 3411 |
if (b1) {
|
| 3412 |
val &= 7;
|
| 3413 |
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
| 3414 |
offsetof(CPUX86State,xmm_regs[reg].XMM_W(val))); |
| 3415 |
} else {
|
| 3416 |
val &= 3;
|
| 3417 |
tcg_gen_st16_tl(cpu_T[0], cpu_env,
|
| 3418 |
offsetof(CPUX86State,fpregs[reg].mmx.MMX_W(val))); |
| 3419 |
} |
| 3420 |
break;
|
| 3421 |
case 0xc5: /* pextrw */ |
| 3422 |
case 0x1c5: |
| 3423 |
if (mod != 3) |
| 3424 |
goto illegal_op;
|
| 3425 |
val = ldub_code(s->pc++); |
| 3426 |
if (b1) {
|
| 3427 |
val &= 7;
|
| 3428 |
rm = (modrm & 7) | REX_B(s);
|
| 3429 |
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
| 3430 |
offsetof(CPUX86State,xmm_regs[rm].XMM_W(val))); |
| 3431 |
} else {
|
| 3432 |
val &= 3;
|
| 3433 |
rm = (modrm & 7);
|
| 3434 |
tcg_gen_ld16u_tl(cpu_T[0], cpu_env,
|
| 3435 |
offsetof(CPUX86State,fpregs[rm].mmx.MMX_W(val))); |
| 3436 |
} |
| 3437 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 3438 |
gen_op_mov_reg_T0(OT_LONG, reg); |
| 3439 |
break;
|
| 3440 |
case 0x1d6: /* movq ea, xmm */ |
| 3441 |
if (mod != 3) { |
| 3442 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3443 |
gen_stq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3444 |
} else {
|
| 3445 |
rm = (modrm & 7) | REX_B(s);
|
| 3446 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)),
|
| 3447 |
offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)));
|
| 3448 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[rm].XMM_Q(1)));
|
| 3449 |
} |
| 3450 |
break;
|
| 3451 |
case 0x2d6: /* movq2dq */ |
| 3452 |
tcg_gen_helper_0_0(helper_enter_mmx); |
| 3453 |
rm = (modrm & 7);
|
| 3454 |
gen_op_movq(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(0)),
|
| 3455 |
offsetof(CPUX86State,fpregs[rm].mmx)); |
| 3456 |
gen_op_movq_env_0(offsetof(CPUX86State,xmm_regs[reg].XMM_Q(1)));
|
| 3457 |
break;
|
| 3458 |
case 0x3d6: /* movdq2q */ |
| 3459 |
tcg_gen_helper_0_0(helper_enter_mmx); |
| 3460 |
rm = (modrm & 7) | REX_B(s);
|
| 3461 |
gen_op_movq(offsetof(CPUX86State,fpregs[reg & 7].mmx),
|
| 3462 |
offsetof(CPUX86State,xmm_regs[rm].XMM_Q(0)));
|
| 3463 |
break;
|
| 3464 |
case 0xd7: /* pmovmskb */ |
| 3465 |
case 0x1d7: |
| 3466 |
if (mod != 3) |
| 3467 |
goto illegal_op;
|
| 3468 |
if (b1) {
|
| 3469 |
rm = (modrm & 7) | REX_B(s);
|
| 3470 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,xmm_regs[rm])); |
| 3471 |
tcg_gen_helper_1_1(helper_pmovmskb_xmm, cpu_tmp2_i32, cpu_ptr0); |
| 3472 |
} else {
|
| 3473 |
rm = (modrm & 7);
|
| 3474 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, offsetof(CPUX86State,fpregs[rm].mmx)); |
| 3475 |
tcg_gen_helper_1_1(helper_pmovmskb_mmx, cpu_tmp2_i32, cpu_ptr0); |
| 3476 |
} |
| 3477 |
tcg_gen_extu_i32_tl(cpu_T[0], cpu_tmp2_i32);
|
| 3478 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 3479 |
gen_op_mov_reg_T0(OT_LONG, reg); |
| 3480 |
break;
|
| 3481 |
default:
|
| 3482 |
goto illegal_op;
|
| 3483 |
} |
| 3484 |
} else {
|
| 3485 |
/* generic MMX or SSE operation */
|
| 3486 |
switch(b) {
|
| 3487 |
case 0x70: /* pshufx insn */ |
| 3488 |
case 0xc6: /* pshufx insn */ |
| 3489 |
case 0xc2: /* compare insns */ |
| 3490 |
s->rip_offset = 1;
|
| 3491 |
break;
|
| 3492 |
default:
|
| 3493 |
break;
|
| 3494 |
} |
| 3495 |
if (is_xmm) {
|
| 3496 |
op1_offset = offsetof(CPUX86State,xmm_regs[reg]); |
| 3497 |
if (mod != 3) { |
| 3498 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3499 |
op2_offset = offsetof(CPUX86State,xmm_t0); |
| 3500 |
if (b1 >= 2 && ((b >= 0x50 && b <= 0x5f && b != 0x5b) || |
| 3501 |
b == 0xc2)) {
|
| 3502 |
/* specific case for SSE single instructions */
|
| 3503 |
if (b1 == 2) { |
| 3504 |
/* 32 bit access */
|
| 3505 |
gen_op_ld_T0_A0(OT_LONG + s->mem_index); |
| 3506 |
tcg_gen_st32_tl(cpu_T[0], cpu_env, offsetof(CPUX86State,xmm_t0.XMM_L(0))); |
| 3507 |
} else {
|
| 3508 |
/* 64 bit access */
|
| 3509 |
gen_ldq_env_A0(s->mem_index, offsetof(CPUX86State,xmm_t0.XMM_D(0)));
|
| 3510 |
} |
| 3511 |
} else {
|
| 3512 |
gen_ldo_env_A0(s->mem_index, op2_offset); |
| 3513 |
} |
| 3514 |
} else {
|
| 3515 |
rm = (modrm & 7) | REX_B(s);
|
| 3516 |
op2_offset = offsetof(CPUX86State,xmm_regs[rm]); |
| 3517 |
} |
| 3518 |
} else {
|
| 3519 |
op1_offset = offsetof(CPUX86State,fpregs[reg].mmx); |
| 3520 |
if (mod != 3) { |
| 3521 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3522 |
op2_offset = offsetof(CPUX86State,mmx_t0); |
| 3523 |
gen_ldq_env_A0(s->mem_index, op2_offset); |
| 3524 |
} else {
|
| 3525 |
rm = (modrm & 7);
|
| 3526 |
op2_offset = offsetof(CPUX86State,fpregs[rm].mmx); |
| 3527 |
} |
| 3528 |
} |
| 3529 |
switch(b) {
|
| 3530 |
case 0x0f: /* 3DNow! data insns */ |
| 3531 |
if (!(s->cpuid_ext2_features & CPUID_EXT2_3DNOW))
|
| 3532 |
goto illegal_op;
|
| 3533 |
val = ldub_code(s->pc++); |
| 3534 |
sse_op2 = sse_op_table5[val]; |
| 3535 |
if (!sse_op2)
|
| 3536 |
goto illegal_op;
|
| 3537 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3538 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3539 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| 3540 |
break;
|
| 3541 |
case 0x70: /* pshufx insn */ |
| 3542 |
case 0xc6: /* pshufx insn */ |
| 3543 |
val = ldub_code(s->pc++); |
| 3544 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3545 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3546 |
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, tcg_const_i32(val)); |
| 3547 |
break;
|
| 3548 |
case 0xc2: |
| 3549 |
/* compare insns */
|
| 3550 |
val = ldub_code(s->pc++); |
| 3551 |
if (val >= 8) |
| 3552 |
goto illegal_op;
|
| 3553 |
sse_op2 = sse_op_table4[val][b1]; |
| 3554 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3555 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3556 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| 3557 |
break;
|
| 3558 |
case 0xf7: |
| 3559 |
/* maskmov : we must prepare A0 */
|
| 3560 |
if (mod != 3) |
| 3561 |
goto illegal_op;
|
| 3562 |
#ifdef TARGET_X86_64
|
| 3563 |
if (s->aflag == 2) { |
| 3564 |
gen_op_movq_A0_reg(R_EDI); |
| 3565 |
} else
|
| 3566 |
#endif
|
| 3567 |
{
|
| 3568 |
gen_op_movl_A0_reg(R_EDI); |
| 3569 |
if (s->aflag == 0) |
| 3570 |
gen_op_andl_A0_ffff(); |
| 3571 |
} |
| 3572 |
gen_add_A0_ds_seg(s); |
| 3573 |
|
| 3574 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3575 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3576 |
tcg_gen_helper_0_3(sse_op2, cpu_ptr0, cpu_ptr1, cpu_A0); |
| 3577 |
break;
|
| 3578 |
default:
|
| 3579 |
tcg_gen_addi_ptr(cpu_ptr0, cpu_env, op1_offset); |
| 3580 |
tcg_gen_addi_ptr(cpu_ptr1, cpu_env, op2_offset); |
| 3581 |
tcg_gen_helper_0_2(sse_op2, cpu_ptr0, cpu_ptr1); |
| 3582 |
break;
|
| 3583 |
} |
| 3584 |
if (b == 0x2e || b == 0x2f) { |
| 3585 |
s->cc_op = CC_OP_EFLAGS; |
| 3586 |
} |
| 3587 |
} |
| 3588 |
} |
| 3589 |
|
| 3590 |
/* convert one instruction. s->is_jmp is set if the translation must
|
| 3591 |
be stopped. Return the next pc value */
|
| 3592 |
static target_ulong disas_insn(DisasContext *s, target_ulong pc_start)
|
| 3593 |
{
|
| 3594 |
int b, prefixes, aflag, dflag;
|
| 3595 |
int shift, ot;
|
| 3596 |
int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
|
| 3597 |
target_ulong next_eip, tval; |
| 3598 |
int rex_w, rex_r;
|
| 3599 |
|
| 3600 |
if (unlikely(loglevel & CPU_LOG_TB_OP))
|
| 3601 |
tcg_gen_debug_insn_start(pc_start); |
| 3602 |
s->pc = pc_start; |
| 3603 |
prefixes = 0;
|
| 3604 |
aflag = s->code32; |
| 3605 |
dflag = s->code32; |
| 3606 |
s->override = -1;
|
| 3607 |
rex_w = -1;
|
| 3608 |
rex_r = 0;
|
| 3609 |
#ifdef TARGET_X86_64
|
| 3610 |
s->rex_x = 0;
|
| 3611 |
s->rex_b = 0;
|
| 3612 |
x86_64_hregs = 0;
|
| 3613 |
#endif
|
| 3614 |
s->rip_offset = 0; /* for relative ip address */ |
| 3615 |
next_byte:
|
| 3616 |
b = ldub_code(s->pc); |
| 3617 |
s->pc++; |
| 3618 |
/* check prefixes */
|
| 3619 |
#ifdef TARGET_X86_64
|
| 3620 |
if (CODE64(s)) {
|
| 3621 |
switch (b) {
|
| 3622 |
case 0xf3: |
| 3623 |
prefixes |= PREFIX_REPZ; |
| 3624 |
goto next_byte;
|
| 3625 |
case 0xf2: |
| 3626 |
prefixes |= PREFIX_REPNZ; |
| 3627 |
goto next_byte;
|
| 3628 |
case 0xf0: |
| 3629 |
prefixes |= PREFIX_LOCK; |
| 3630 |
goto next_byte;
|
| 3631 |
case 0x2e: |
| 3632 |
s->override = R_CS; |
| 3633 |
goto next_byte;
|
| 3634 |
case 0x36: |
| 3635 |
s->override = R_SS; |
| 3636 |
goto next_byte;
|
| 3637 |
case 0x3e: |
| 3638 |
s->override = R_DS; |
| 3639 |
goto next_byte;
|
| 3640 |
case 0x26: |
| 3641 |
s->override = R_ES; |
| 3642 |
goto next_byte;
|
| 3643 |
case 0x64: |
| 3644 |
s->override = R_FS; |
| 3645 |
goto next_byte;
|
| 3646 |
case 0x65: |
| 3647 |
s->override = R_GS; |
| 3648 |
goto next_byte;
|
| 3649 |
case 0x66: |
| 3650 |
prefixes |= PREFIX_DATA; |
| 3651 |
goto next_byte;
|
| 3652 |
case 0x67: |
| 3653 |
prefixes |= PREFIX_ADR; |
| 3654 |
goto next_byte;
|
| 3655 |
case 0x40 ... 0x4f: |
| 3656 |
/* REX prefix */
|
| 3657 |
rex_w = (b >> 3) & 1; |
| 3658 |
rex_r = (b & 0x4) << 1; |
| 3659 |
s->rex_x = (b & 0x2) << 2; |
| 3660 |
REX_B(s) = (b & 0x1) << 3; |
| 3661 |
x86_64_hregs = 1; /* select uniform byte register addressing */ |
| 3662 |
goto next_byte;
|
| 3663 |
} |
| 3664 |
if (rex_w == 1) { |
| 3665 |
/* 0x66 is ignored if rex.w is set */
|
| 3666 |
dflag = 2;
|
| 3667 |
} else {
|
| 3668 |
if (prefixes & PREFIX_DATA)
|
| 3669 |
dflag ^= 1;
|
| 3670 |
} |
| 3671 |
if (!(prefixes & PREFIX_ADR))
|
| 3672 |
aflag = 2;
|
| 3673 |
} else
|
| 3674 |
#endif
|
| 3675 |
{
|
| 3676 |
switch (b) {
|
| 3677 |
case 0xf3: |
| 3678 |
prefixes |= PREFIX_REPZ; |
| 3679 |
goto next_byte;
|
| 3680 |
case 0xf2: |
| 3681 |
prefixes |= PREFIX_REPNZ; |
| 3682 |
goto next_byte;
|
| 3683 |
case 0xf0: |
| 3684 |
prefixes |= PREFIX_LOCK; |
| 3685 |
goto next_byte;
|
| 3686 |
case 0x2e: |
| 3687 |
s->override = R_CS; |
| 3688 |
goto next_byte;
|
| 3689 |
case 0x36: |
| 3690 |
s->override = R_SS; |
| 3691 |
goto next_byte;
|
| 3692 |
case 0x3e: |
| 3693 |
s->override = R_DS; |
| 3694 |
goto next_byte;
|
| 3695 |
case 0x26: |
| 3696 |
s->override = R_ES; |
| 3697 |
goto next_byte;
|
| 3698 |
case 0x64: |
| 3699 |
s->override = R_FS; |
| 3700 |
goto next_byte;
|
| 3701 |
case 0x65: |
| 3702 |
s->override = R_GS; |
| 3703 |
goto next_byte;
|
| 3704 |
case 0x66: |
| 3705 |
prefixes |= PREFIX_DATA; |
| 3706 |
goto next_byte;
|
| 3707 |
case 0x67: |
| 3708 |
prefixes |= PREFIX_ADR; |
| 3709 |
goto next_byte;
|
| 3710 |
} |
| 3711 |
if (prefixes & PREFIX_DATA)
|
| 3712 |
dflag ^= 1;
|
| 3713 |
if (prefixes & PREFIX_ADR)
|
| 3714 |
aflag ^= 1;
|
| 3715 |
} |
| 3716 |
|
| 3717 |
s->prefix = prefixes; |
| 3718 |
s->aflag = aflag; |
| 3719 |
s->dflag = dflag; |
| 3720 |
|
| 3721 |
/* lock generation */
|
| 3722 |
if (prefixes & PREFIX_LOCK)
|
| 3723 |
tcg_gen_helper_0_0(helper_lock); |
| 3724 |
|
| 3725 |
/* now check op code */
|
| 3726 |
reswitch:
|
| 3727 |
switch(b) {
|
| 3728 |
case 0x0f: |
| 3729 |
/**************************/
|
| 3730 |
/* extended op code */
|
| 3731 |
b = ldub_code(s->pc++) | 0x100;
|
| 3732 |
goto reswitch;
|
| 3733 |
|
| 3734 |
/**************************/
|
| 3735 |
/* arith & logic */
|
| 3736 |
case 0x00 ... 0x05: |
| 3737 |
case 0x08 ... 0x0d: |
| 3738 |
case 0x10 ... 0x15: |
| 3739 |
case 0x18 ... 0x1d: |
| 3740 |
case 0x20 ... 0x25: |
| 3741 |
case 0x28 ... 0x2d: |
| 3742 |
case 0x30 ... 0x35: |
| 3743 |
case 0x38 ... 0x3d: |
| 3744 |
{
|
| 3745 |
int op, f, val;
|
| 3746 |
op = (b >> 3) & 7; |
| 3747 |
f = (b >> 1) & 3; |
| 3748 |
|
| 3749 |
if ((b & 1) == 0) |
| 3750 |
ot = OT_BYTE; |
| 3751 |
else
|
| 3752 |
ot = dflag + OT_WORD; |
| 3753 |
|
| 3754 |
switch(f) {
|
| 3755 |
case 0: /* OP Ev, Gv */ |
| 3756 |
modrm = ldub_code(s->pc++); |
| 3757 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 3758 |
mod = (modrm >> 6) & 3; |
| 3759 |
rm = (modrm & 7) | REX_B(s);
|
| 3760 |
if (mod != 3) { |
| 3761 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3762 |
opreg = OR_TMP0; |
| 3763 |
} else if (op == OP_XORL && rm == reg) { |
| 3764 |
xor_zero:
|
| 3765 |
/* xor reg, reg optimisation */
|
| 3766 |
gen_op_movl_T0_0(); |
| 3767 |
s->cc_op = CC_OP_LOGICB + ot; |
| 3768 |
gen_op_mov_reg_T0(ot, reg); |
| 3769 |
gen_op_update1_cc(); |
| 3770 |
break;
|
| 3771 |
} else {
|
| 3772 |
opreg = rm; |
| 3773 |
} |
| 3774 |
gen_op_mov_TN_reg(ot, 1, reg);
|
| 3775 |
gen_op(s, op, ot, opreg); |
| 3776 |
break;
|
| 3777 |
case 1: /* OP Gv, Ev */ |
| 3778 |
modrm = ldub_code(s->pc++); |
| 3779 |
mod = (modrm >> 6) & 3; |
| 3780 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 3781 |
rm = (modrm & 7) | REX_B(s);
|
| 3782 |
if (mod != 3) { |
| 3783 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3784 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 3785 |
} else if (op == OP_XORL && rm == reg) { |
| 3786 |
goto xor_zero;
|
| 3787 |
} else {
|
| 3788 |
gen_op_mov_TN_reg(ot, 1, rm);
|
| 3789 |
} |
| 3790 |
gen_op(s, op, ot, reg); |
| 3791 |
break;
|
| 3792 |
case 2: /* OP A, Iv */ |
| 3793 |
val = insn_get(s, ot); |
| 3794 |
gen_op_movl_T1_im(val); |
| 3795 |
gen_op(s, op, ot, OR_EAX); |
| 3796 |
break;
|
| 3797 |
} |
| 3798 |
} |
| 3799 |
break;
|
| 3800 |
|
| 3801 |
case 0x82: |
| 3802 |
if (CODE64(s))
|
| 3803 |
goto illegal_op;
|
| 3804 |
case 0x80: /* GRP1 */ |
| 3805 |
case 0x81: |
| 3806 |
case 0x83: |
| 3807 |
{
|
| 3808 |
int val;
|
| 3809 |
|
| 3810 |
if ((b & 1) == 0) |
| 3811 |
ot = OT_BYTE; |
| 3812 |
else
|
| 3813 |
ot = dflag + OT_WORD; |
| 3814 |
|
| 3815 |
modrm = ldub_code(s->pc++); |
| 3816 |
mod = (modrm >> 6) & 3; |
| 3817 |
rm = (modrm & 7) | REX_B(s);
|
| 3818 |
op = (modrm >> 3) & 7; |
| 3819 |
|
| 3820 |
if (mod != 3) { |
| 3821 |
if (b == 0x83) |
| 3822 |
s->rip_offset = 1;
|
| 3823 |
else
|
| 3824 |
s->rip_offset = insn_const_size(ot); |
| 3825 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3826 |
opreg = OR_TMP0; |
| 3827 |
} else {
|
| 3828 |
opreg = rm; |
| 3829 |
} |
| 3830 |
|
| 3831 |
switch(b) {
|
| 3832 |
default:
|
| 3833 |
case 0x80: |
| 3834 |
case 0x81: |
| 3835 |
case 0x82: |
| 3836 |
val = insn_get(s, ot); |
| 3837 |
break;
|
| 3838 |
case 0x83: |
| 3839 |
val = (int8_t)insn_get(s, OT_BYTE); |
| 3840 |
break;
|
| 3841 |
} |
| 3842 |
gen_op_movl_T1_im(val); |
| 3843 |
gen_op(s, op, ot, opreg); |
| 3844 |
} |
| 3845 |
break;
|
| 3846 |
|
| 3847 |
/**************************/
|
| 3848 |
/* inc, dec, and other misc arith */
|
| 3849 |
case 0x40 ... 0x47: /* inc Gv */ |
| 3850 |
ot = dflag ? OT_LONG : OT_WORD; |
| 3851 |
gen_inc(s, ot, OR_EAX + (b & 7), 1); |
| 3852 |
break;
|
| 3853 |
case 0x48 ... 0x4f: /* dec Gv */ |
| 3854 |
ot = dflag ? OT_LONG : OT_WORD; |
| 3855 |
gen_inc(s, ot, OR_EAX + (b & 7), -1); |
| 3856 |
break;
|
| 3857 |
case 0xf6: /* GRP3 */ |
| 3858 |
case 0xf7: |
| 3859 |
if ((b & 1) == 0) |
| 3860 |
ot = OT_BYTE; |
| 3861 |
else
|
| 3862 |
ot = dflag + OT_WORD; |
| 3863 |
|
| 3864 |
modrm = ldub_code(s->pc++); |
| 3865 |
mod = (modrm >> 6) & 3; |
| 3866 |
rm = (modrm & 7) | REX_B(s);
|
| 3867 |
op = (modrm >> 3) & 7; |
| 3868 |
if (mod != 3) { |
| 3869 |
if (op == 0) |
| 3870 |
s->rip_offset = insn_const_size(ot); |
| 3871 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 3872 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 3873 |
} else {
|
| 3874 |
gen_op_mov_TN_reg(ot, 0, rm);
|
| 3875 |
} |
| 3876 |
|
| 3877 |
switch(op) {
|
| 3878 |
case 0: /* test */ |
| 3879 |
val = insn_get(s, ot); |
| 3880 |
gen_op_movl_T1_im(val); |
| 3881 |
gen_op_testl_T0_T1_cc(); |
| 3882 |
s->cc_op = CC_OP_LOGICB + ot; |
| 3883 |
break;
|
| 3884 |
case 2: /* not */ |
| 3885 |
tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
| 3886 |
if (mod != 3) { |
| 3887 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 3888 |
} else {
|
| 3889 |
gen_op_mov_reg_T0(ot, rm); |
| 3890 |
} |
| 3891 |
break;
|
| 3892 |
case 3: /* neg */ |
| 3893 |
tcg_gen_neg_tl(cpu_T[0], cpu_T[0]); |
| 3894 |
if (mod != 3) { |
| 3895 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 3896 |
} else {
|
| 3897 |
gen_op_mov_reg_T0(ot, rm); |
| 3898 |
} |
| 3899 |
gen_op_update_neg_cc(); |
| 3900 |
s->cc_op = CC_OP_SUBB + ot; |
| 3901 |
break;
|
| 3902 |
case 4: /* mul */ |
| 3903 |
switch(ot) {
|
| 3904 |
case OT_BYTE:
|
| 3905 |
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
| 3906 |
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
| 3907 |
tcg_gen_ext8u_tl(cpu_T[1], cpu_T[1]); |
| 3908 |
/* XXX: use 32 bit mul which could be faster */
|
| 3909 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 3910 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| 3911 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3912 |
tcg_gen_andi_tl(cpu_cc_src, cpu_T[0], 0xff00); |
| 3913 |
s->cc_op = CC_OP_MULB; |
| 3914 |
break;
|
| 3915 |
case OT_WORD:
|
| 3916 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
| 3917 |
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
| 3918 |
tcg_gen_ext16u_tl(cpu_T[1], cpu_T[1]); |
| 3919 |
/* XXX: use 32 bit mul which could be faster */
|
| 3920 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 3921 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| 3922 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3923 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
| 3924 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| 3925 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
| 3926 |
s->cc_op = CC_OP_MULW; |
| 3927 |
break;
|
| 3928 |
default:
|
| 3929 |
case OT_LONG:
|
| 3930 |
#ifdef TARGET_X86_64
|
| 3931 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
| 3932 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
| 3933 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
| 3934 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 3935 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| 3936 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3937 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
| 3938 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| 3939 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
| 3940 |
#else
|
| 3941 |
{
|
| 3942 |
TCGv t0, t1; |
| 3943 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
| 3944 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
| 3945 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
| 3946 |
tcg_gen_extu_i32_i64(t0, cpu_T[0]);
|
| 3947 |
tcg_gen_extu_i32_i64(t1, cpu_T[1]);
|
| 3948 |
tcg_gen_mul_i64(t0, t0, t1); |
| 3949 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
| 3950 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| 3951 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3952 |
tcg_gen_shri_i64(t0, t0, 32);
|
| 3953 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
| 3954 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| 3955 |
tcg_gen_mov_tl(cpu_cc_src, cpu_T[0]);
|
| 3956 |
} |
| 3957 |
#endif
|
| 3958 |
s->cc_op = CC_OP_MULL; |
| 3959 |
break;
|
| 3960 |
#ifdef TARGET_X86_64
|
| 3961 |
case OT_QUAD:
|
| 3962 |
tcg_gen_helper_0_1(helper_mulq_EAX_T0, cpu_T[0]);
|
| 3963 |
s->cc_op = CC_OP_MULQ; |
| 3964 |
break;
|
| 3965 |
#endif
|
| 3966 |
} |
| 3967 |
break;
|
| 3968 |
case 5: /* imul */ |
| 3969 |
switch(ot) {
|
| 3970 |
case OT_BYTE:
|
| 3971 |
gen_op_mov_TN_reg(OT_BYTE, 1, R_EAX);
|
| 3972 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| 3973 |
tcg_gen_ext8s_tl(cpu_T[1], cpu_T[1]); |
| 3974 |
/* XXX: use 32 bit mul which could be faster */
|
| 3975 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 3976 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| 3977 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3978 |
tcg_gen_ext8s_tl(cpu_tmp0, cpu_T[0]);
|
| 3979 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 3980 |
s->cc_op = CC_OP_MULB; |
| 3981 |
break;
|
| 3982 |
case OT_WORD:
|
| 3983 |
gen_op_mov_TN_reg(OT_WORD, 1, R_EAX);
|
| 3984 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| 3985 |
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
| 3986 |
/* XXX: use 32 bit mul which could be faster */
|
| 3987 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 3988 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| 3989 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 3990 |
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
| 3991 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 3992 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 16); |
| 3993 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| 3994 |
s->cc_op = CC_OP_MULW; |
| 3995 |
break;
|
| 3996 |
default:
|
| 3997 |
case OT_LONG:
|
| 3998 |
#ifdef TARGET_X86_64
|
| 3999 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
| 4000 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| 4001 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
| 4002 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 4003 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| 4004 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 4005 |
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
| 4006 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 4007 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], 32); |
| 4008 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| 4009 |
#else
|
| 4010 |
{
|
| 4011 |
TCGv t0, t1; |
| 4012 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
| 4013 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
| 4014 |
gen_op_mov_TN_reg(OT_LONG, 1, R_EAX);
|
| 4015 |
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
| 4016 |
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
| 4017 |
tcg_gen_mul_i64(t0, t0, t1); |
| 4018 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
| 4019 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| 4020 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 4021 |
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
| 4022 |
tcg_gen_shri_i64(t0, t0, 32);
|
| 4023 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
| 4024 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| 4025 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 4026 |
} |
| 4027 |
#endif
|
| 4028 |
s->cc_op = CC_OP_MULL; |
| 4029 |
break;
|
| 4030 |
#ifdef TARGET_X86_64
|
| 4031 |
case OT_QUAD:
|
| 4032 |
tcg_gen_helper_0_1(helper_imulq_EAX_T0, cpu_T[0]);
|
| 4033 |
s->cc_op = CC_OP_MULQ; |
| 4034 |
break;
|
| 4035 |
#endif
|
| 4036 |
} |
| 4037 |
break;
|
| 4038 |
case 6: /* div */ |
| 4039 |
switch(ot) {
|
| 4040 |
case OT_BYTE:
|
| 4041 |
gen_jmp_im(pc_start - s->cs_base); |
| 4042 |
tcg_gen_helper_0_1(helper_divb_AL, cpu_T[0]);
|
| 4043 |
break;
|
| 4044 |
case OT_WORD:
|
| 4045 |
gen_jmp_im(pc_start - s->cs_base); |
| 4046 |
tcg_gen_helper_0_1(helper_divw_AX, cpu_T[0]);
|
| 4047 |
break;
|
| 4048 |
default:
|
| 4049 |
case OT_LONG:
|
| 4050 |
gen_jmp_im(pc_start - s->cs_base); |
| 4051 |
tcg_gen_helper_0_1(helper_divl_EAX, cpu_T[0]);
|
| 4052 |
break;
|
| 4053 |
#ifdef TARGET_X86_64
|
| 4054 |
case OT_QUAD:
|
| 4055 |
gen_jmp_im(pc_start - s->cs_base); |
| 4056 |
tcg_gen_helper_0_1(helper_divq_EAX, cpu_T[0]);
|
| 4057 |
break;
|
| 4058 |
#endif
|
| 4059 |
} |
| 4060 |
break;
|
| 4061 |
case 7: /* idiv */ |
| 4062 |
switch(ot) {
|
| 4063 |
case OT_BYTE:
|
| 4064 |
gen_jmp_im(pc_start - s->cs_base); |
| 4065 |
tcg_gen_helper_0_1(helper_idivb_AL, cpu_T[0]);
|
| 4066 |
break;
|
| 4067 |
case OT_WORD:
|
| 4068 |
gen_jmp_im(pc_start - s->cs_base); |
| 4069 |
tcg_gen_helper_0_1(helper_idivw_AX, cpu_T[0]);
|
| 4070 |
break;
|
| 4071 |
default:
|
| 4072 |
case OT_LONG:
|
| 4073 |
gen_jmp_im(pc_start - s->cs_base); |
| 4074 |
tcg_gen_helper_0_1(helper_idivl_EAX, cpu_T[0]);
|
| 4075 |
break;
|
| 4076 |
#ifdef TARGET_X86_64
|
| 4077 |
case OT_QUAD:
|
| 4078 |
gen_jmp_im(pc_start - s->cs_base); |
| 4079 |
tcg_gen_helper_0_1(helper_idivq_EAX, cpu_T[0]);
|
| 4080 |
break;
|
| 4081 |
#endif
|
| 4082 |
} |
| 4083 |
break;
|
| 4084 |
default:
|
| 4085 |
goto illegal_op;
|
| 4086 |
} |
| 4087 |
break;
|
| 4088 |
|
| 4089 |
case 0xfe: /* GRP4 */ |
| 4090 |
case 0xff: /* GRP5 */ |
| 4091 |
if ((b & 1) == 0) |
| 4092 |
ot = OT_BYTE; |
| 4093 |
else
|
| 4094 |
ot = dflag + OT_WORD; |
| 4095 |
|
| 4096 |
modrm = ldub_code(s->pc++); |
| 4097 |
mod = (modrm >> 6) & 3; |
| 4098 |
rm = (modrm & 7) | REX_B(s);
|
| 4099 |
op = (modrm >> 3) & 7; |
| 4100 |
if (op >= 2 && b == 0xfe) { |
| 4101 |
goto illegal_op;
|
| 4102 |
} |
| 4103 |
if (CODE64(s)) {
|
| 4104 |
if (op == 2 || op == 4) { |
| 4105 |
/* operand size for jumps is 64 bit */
|
| 4106 |
ot = OT_QUAD; |
| 4107 |
} else if (op == 3 || op == 5) { |
| 4108 |
/* for call calls, the operand is 16 or 32 bit, even
|
| 4109 |
in long mode */
|
| 4110 |
ot = dflag ? OT_LONG : OT_WORD; |
| 4111 |
} else if (op == 6) { |
| 4112 |
/* default push size is 64 bit */
|
| 4113 |
ot = dflag ? OT_QUAD : OT_WORD; |
| 4114 |
} |
| 4115 |
} |
| 4116 |
if (mod != 3) { |
| 4117 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4118 |
if (op >= 2 && op != 3 && op != 5) |
| 4119 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 4120 |
} else {
|
| 4121 |
gen_op_mov_TN_reg(ot, 0, rm);
|
| 4122 |
} |
| 4123 |
|
| 4124 |
switch(op) {
|
| 4125 |
case 0: /* inc Ev */ |
| 4126 |
if (mod != 3) |
| 4127 |
opreg = OR_TMP0; |
| 4128 |
else
|
| 4129 |
opreg = rm; |
| 4130 |
gen_inc(s, ot, opreg, 1);
|
| 4131 |
break;
|
| 4132 |
case 1: /* dec Ev */ |
| 4133 |
if (mod != 3) |
| 4134 |
opreg = OR_TMP0; |
| 4135 |
else
|
| 4136 |
opreg = rm; |
| 4137 |
gen_inc(s, ot, opreg, -1);
|
| 4138 |
break;
|
| 4139 |
case 2: /* call Ev */ |
| 4140 |
/* XXX: optimize if memory (no 'and' is necessary) */
|
| 4141 |
if (s->dflag == 0) |
| 4142 |
gen_op_andl_T0_ffff(); |
| 4143 |
next_eip = s->pc - s->cs_base; |
| 4144 |
gen_movtl_T1_im(next_eip); |
| 4145 |
gen_push_T1(s); |
| 4146 |
gen_op_jmp_T0(); |
| 4147 |
gen_eob(s); |
| 4148 |
break;
|
| 4149 |
case 3: /* lcall Ev */ |
| 4150 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 4151 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
| 4152 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
| 4153 |
do_lcall:
|
| 4154 |
if (s->pe && !s->vm86) {
|
| 4155 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 4156 |
gen_op_set_cc_op(s->cc_op); |
| 4157 |
gen_jmp_im(pc_start - s->cs_base); |
| 4158 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 4159 |
tcg_gen_helper_0_4(helper_lcall_protected, |
| 4160 |
cpu_tmp2_i32, cpu_T[1],
|
| 4161 |
tcg_const_i32(dflag), |
| 4162 |
tcg_const_i32(s->pc - pc_start)); |
| 4163 |
} else {
|
| 4164 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 4165 |
tcg_gen_helper_0_4(helper_lcall_real, |
| 4166 |
cpu_tmp2_i32, cpu_T[1],
|
| 4167 |
tcg_const_i32(dflag), |
| 4168 |
tcg_const_i32(s->pc - s->cs_base)); |
| 4169 |
} |
| 4170 |
gen_eob(s); |
| 4171 |
break;
|
| 4172 |
case 4: /* jmp Ev */ |
| 4173 |
if (s->dflag == 0) |
| 4174 |
gen_op_andl_T0_ffff(); |
| 4175 |
gen_op_jmp_T0(); |
| 4176 |
gen_eob(s); |
| 4177 |
break;
|
| 4178 |
case 5: /* ljmp Ev */ |
| 4179 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 4180 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
| 4181 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
| 4182 |
do_ljmp:
|
| 4183 |
if (s->pe && !s->vm86) {
|
| 4184 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 4185 |
gen_op_set_cc_op(s->cc_op); |
| 4186 |
gen_jmp_im(pc_start - s->cs_base); |
| 4187 |
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_T[0]);
|
| 4188 |
tcg_gen_helper_0_3(helper_ljmp_protected, |
| 4189 |
cpu_tmp2_i32, |
| 4190 |
cpu_T[1],
|
| 4191 |
tcg_const_i32(s->pc - pc_start)); |
| 4192 |
} else {
|
| 4193 |
gen_op_movl_seg_T0_vm(R_CS); |
| 4194 |
gen_op_movl_T0_T1(); |
| 4195 |
gen_op_jmp_T0(); |
| 4196 |
} |
| 4197 |
gen_eob(s); |
| 4198 |
break;
|
| 4199 |
case 6: /* push Ev */ |
| 4200 |
gen_push_T0(s); |
| 4201 |
break;
|
| 4202 |
default:
|
| 4203 |
goto illegal_op;
|
| 4204 |
} |
| 4205 |
break;
|
| 4206 |
|
| 4207 |
case 0x84: /* test Ev, Gv */ |
| 4208 |
case 0x85: |
| 4209 |
if ((b & 1) == 0) |
| 4210 |
ot = OT_BYTE; |
| 4211 |
else
|
| 4212 |
ot = dflag + OT_WORD; |
| 4213 |
|
| 4214 |
modrm = ldub_code(s->pc++); |
| 4215 |
mod = (modrm >> 6) & 3; |
| 4216 |
rm = (modrm & 7) | REX_B(s);
|
| 4217 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4218 |
|
| 4219 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
| 4220 |
gen_op_mov_TN_reg(ot, 1, reg);
|
| 4221 |
gen_op_testl_T0_T1_cc(); |
| 4222 |
s->cc_op = CC_OP_LOGICB + ot; |
| 4223 |
break;
|
| 4224 |
|
| 4225 |
case 0xa8: /* test eAX, Iv */ |
| 4226 |
case 0xa9: |
| 4227 |
if ((b & 1) == 0) |
| 4228 |
ot = OT_BYTE; |
| 4229 |
else
|
| 4230 |
ot = dflag + OT_WORD; |
| 4231 |
val = insn_get(s, ot); |
| 4232 |
|
| 4233 |
gen_op_mov_TN_reg(ot, 0, OR_EAX);
|
| 4234 |
gen_op_movl_T1_im(val); |
| 4235 |
gen_op_testl_T0_T1_cc(); |
| 4236 |
s->cc_op = CC_OP_LOGICB + ot; |
| 4237 |
break;
|
| 4238 |
|
| 4239 |
case 0x98: /* CWDE/CBW */ |
| 4240 |
#ifdef TARGET_X86_64
|
| 4241 |
if (dflag == 2) { |
| 4242 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
| 4243 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| 4244 |
gen_op_mov_reg_T0(OT_QUAD, R_EAX); |
| 4245 |
} else
|
| 4246 |
#endif
|
| 4247 |
if (dflag == 1) { |
| 4248 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
| 4249 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| 4250 |
gen_op_mov_reg_T0(OT_LONG, R_EAX); |
| 4251 |
} else {
|
| 4252 |
gen_op_mov_TN_reg(OT_BYTE, 0, R_EAX);
|
| 4253 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| 4254 |
gen_op_mov_reg_T0(OT_WORD, R_EAX); |
| 4255 |
} |
| 4256 |
break;
|
| 4257 |
case 0x99: /* CDQ/CWD */ |
| 4258 |
#ifdef TARGET_X86_64
|
| 4259 |
if (dflag == 2) { |
| 4260 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
| 4261 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 63); |
| 4262 |
gen_op_mov_reg_T0(OT_QUAD, R_EDX); |
| 4263 |
} else
|
| 4264 |
#endif
|
| 4265 |
if (dflag == 1) { |
| 4266 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
| 4267 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| 4268 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 31); |
| 4269 |
gen_op_mov_reg_T0(OT_LONG, R_EDX); |
| 4270 |
} else {
|
| 4271 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EAX);
|
| 4272 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| 4273 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], 15); |
| 4274 |
gen_op_mov_reg_T0(OT_WORD, R_EDX); |
| 4275 |
} |
| 4276 |
break;
|
| 4277 |
case 0x1af: /* imul Gv, Ev */ |
| 4278 |
case 0x69: /* imul Gv, Ev, I */ |
| 4279 |
case 0x6b: |
| 4280 |
ot = dflag + OT_WORD; |
| 4281 |
modrm = ldub_code(s->pc++); |
| 4282 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4283 |
if (b == 0x69) |
| 4284 |
s->rip_offset = insn_const_size(ot); |
| 4285 |
else if (b == 0x6b) |
| 4286 |
s->rip_offset = 1;
|
| 4287 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
| 4288 |
if (b == 0x69) { |
| 4289 |
val = insn_get(s, ot); |
| 4290 |
gen_op_movl_T1_im(val); |
| 4291 |
} else if (b == 0x6b) { |
| 4292 |
val = (int8_t)insn_get(s, OT_BYTE); |
| 4293 |
gen_op_movl_T1_im(val); |
| 4294 |
} else {
|
| 4295 |
gen_op_mov_TN_reg(ot, 1, reg);
|
| 4296 |
} |
| 4297 |
|
| 4298 |
#ifdef TARGET_X86_64
|
| 4299 |
if (ot == OT_QUAD) {
|
| 4300 |
tcg_gen_helper_1_2(helper_imulq_T0_T1, cpu_T[0], cpu_T[0], cpu_T[1]); |
| 4301 |
} else
|
| 4302 |
#endif
|
| 4303 |
if (ot == OT_LONG) {
|
| 4304 |
#ifdef TARGET_X86_64
|
| 4305 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
| 4306 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
| 4307 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 4308 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 4309 |
tcg_gen_ext32s_tl(cpu_tmp0, cpu_T[0]);
|
| 4310 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 4311 |
#else
|
| 4312 |
{
|
| 4313 |
TCGv t0, t1; |
| 4314 |
t0 = tcg_temp_new(TCG_TYPE_I64); |
| 4315 |
t1 = tcg_temp_new(TCG_TYPE_I64); |
| 4316 |
tcg_gen_ext_i32_i64(t0, cpu_T[0]);
|
| 4317 |
tcg_gen_ext_i32_i64(t1, cpu_T[1]);
|
| 4318 |
tcg_gen_mul_i64(t0, t0, t1); |
| 4319 |
tcg_gen_trunc_i64_i32(cpu_T[0], t0);
|
| 4320 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 4321 |
tcg_gen_sari_tl(cpu_tmp0, cpu_T[0], 31); |
| 4322 |
tcg_gen_shri_i64(t0, t0, 32);
|
| 4323 |
tcg_gen_trunc_i64_i32(cpu_T[1], t0);
|
| 4324 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[1], cpu_tmp0);
|
| 4325 |
} |
| 4326 |
#endif
|
| 4327 |
} else {
|
| 4328 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| 4329 |
tcg_gen_ext16s_tl(cpu_T[1], cpu_T[1]); |
| 4330 |
/* XXX: use 32 bit mul which could be faster */
|
| 4331 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
| 4332 |
tcg_gen_mov_tl(cpu_cc_dst, cpu_T[0]);
|
| 4333 |
tcg_gen_ext16s_tl(cpu_tmp0, cpu_T[0]);
|
| 4334 |
tcg_gen_sub_tl(cpu_cc_src, cpu_T[0], cpu_tmp0);
|
| 4335 |
} |
| 4336 |
gen_op_mov_reg_T0(ot, reg); |
| 4337 |
s->cc_op = CC_OP_MULB + ot; |
| 4338 |
break;
|
| 4339 |
case 0x1c0: |
| 4340 |
case 0x1c1: /* xadd Ev, Gv */ |
| 4341 |
if ((b & 1) == 0) |
| 4342 |
ot = OT_BYTE; |
| 4343 |
else
|
| 4344 |
ot = dflag + OT_WORD; |
| 4345 |
modrm = ldub_code(s->pc++); |
| 4346 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4347 |
mod = (modrm >> 6) & 3; |
| 4348 |
if (mod == 3) { |
| 4349 |
rm = (modrm & 7) | REX_B(s);
|
| 4350 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 4351 |
gen_op_mov_TN_reg(ot, 1, rm);
|
| 4352 |
gen_op_addl_T0_T1(); |
| 4353 |
gen_op_mov_reg_T1(ot, reg); |
| 4354 |
gen_op_mov_reg_T0(ot, rm); |
| 4355 |
} else {
|
| 4356 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4357 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 4358 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 4359 |
gen_op_addl_T0_T1(); |
| 4360 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 4361 |
gen_op_mov_reg_T1(ot, reg); |
| 4362 |
} |
| 4363 |
gen_op_update2_cc(); |
| 4364 |
s->cc_op = CC_OP_ADDB + ot; |
| 4365 |
break;
|
| 4366 |
case 0x1b0: |
| 4367 |
case 0x1b1: /* cmpxchg Ev, Gv */ |
| 4368 |
{
|
| 4369 |
int label1, label2;
|
| 4370 |
TCGv t0, t1, t2, a0; |
| 4371 |
|
| 4372 |
if ((b & 1) == 0) |
| 4373 |
ot = OT_BYTE; |
| 4374 |
else
|
| 4375 |
ot = dflag + OT_WORD; |
| 4376 |
modrm = ldub_code(s->pc++); |
| 4377 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4378 |
mod = (modrm >> 6) & 3; |
| 4379 |
t0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 4380 |
t1 = tcg_temp_local_new(TCG_TYPE_TL); |
| 4381 |
t2 = tcg_temp_local_new(TCG_TYPE_TL); |
| 4382 |
a0 = tcg_temp_local_new(TCG_TYPE_TL); |
| 4383 |
gen_op_mov_v_reg(ot, t1, reg); |
| 4384 |
if (mod == 3) { |
| 4385 |
rm = (modrm & 7) | REX_B(s);
|
| 4386 |
gen_op_mov_v_reg(ot, t0, rm); |
| 4387 |
} else {
|
| 4388 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4389 |
tcg_gen_mov_tl(a0, cpu_A0); |
| 4390 |
gen_op_ld_v(ot + s->mem_index, t0, a0); |
| 4391 |
rm = 0; /* avoid warning */ |
| 4392 |
} |
| 4393 |
label1 = gen_new_label(); |
| 4394 |
tcg_gen_ld_tl(t2, cpu_env, offsetof(CPUState, regs[R_EAX])); |
| 4395 |
tcg_gen_sub_tl(t2, t2, t0); |
| 4396 |
gen_extu(ot, t2); |
| 4397 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, label1);
|
| 4398 |
if (mod == 3) { |
| 4399 |
label2 = gen_new_label(); |
| 4400 |
gen_op_mov_reg_v(ot, R_EAX, t0); |
| 4401 |
tcg_gen_br(label2); |
| 4402 |
gen_set_label(label1); |
| 4403 |
gen_op_mov_reg_v(ot, rm, t1); |
| 4404 |
gen_set_label(label2); |
| 4405 |
} else {
|
| 4406 |
tcg_gen_mov_tl(t1, t0); |
| 4407 |
gen_op_mov_reg_v(ot, R_EAX, t0); |
| 4408 |
gen_set_label(label1); |
| 4409 |
/* always store */
|
| 4410 |
gen_op_st_v(ot + s->mem_index, t1, a0); |
| 4411 |
} |
| 4412 |
tcg_gen_mov_tl(cpu_cc_src, t0); |
| 4413 |
tcg_gen_mov_tl(cpu_cc_dst, t2); |
| 4414 |
s->cc_op = CC_OP_SUBB + ot; |
| 4415 |
tcg_temp_free(t0); |
| 4416 |
tcg_temp_free(t1); |
| 4417 |
tcg_temp_free(t2); |
| 4418 |
tcg_temp_free(a0); |
| 4419 |
} |
| 4420 |
break;
|
| 4421 |
case 0x1c7: /* cmpxchg8b */ |
| 4422 |
modrm = ldub_code(s->pc++); |
| 4423 |
mod = (modrm >> 6) & 3; |
| 4424 |
if ((mod == 3) || ((modrm & 0x38) != 0x8)) |
| 4425 |
goto illegal_op;
|
| 4426 |
#ifdef TARGET_X86_64
|
| 4427 |
if (dflag == 2) { |
| 4428 |
if (!(s->cpuid_ext_features & CPUID_EXT_CX16))
|
| 4429 |
goto illegal_op;
|
| 4430 |
gen_jmp_im(pc_start - s->cs_base); |
| 4431 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 4432 |
gen_op_set_cc_op(s->cc_op); |
| 4433 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4434 |
tcg_gen_helper_0_1(helper_cmpxchg16b, cpu_A0); |
| 4435 |
} else
|
| 4436 |
#endif
|
| 4437 |
{
|
| 4438 |
if (!(s->cpuid_features & CPUID_CX8))
|
| 4439 |
goto illegal_op;
|
| 4440 |
gen_jmp_im(pc_start - s->cs_base); |
| 4441 |
if (s->cc_op != CC_OP_DYNAMIC)
|
| 4442 |
gen_op_set_cc_op(s->cc_op); |
| 4443 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4444 |
tcg_gen_helper_0_1(helper_cmpxchg8b, cpu_A0); |
| 4445 |
} |
| 4446 |
s->cc_op = CC_OP_EFLAGS; |
| 4447 |
break;
|
| 4448 |
|
| 4449 |
/**************************/
|
| 4450 |
/* push/pop */
|
| 4451 |
case 0x50 ... 0x57: /* push */ |
| 4452 |
gen_op_mov_TN_reg(OT_LONG, 0, (b & 7) | REX_B(s)); |
| 4453 |
gen_push_T0(s); |
| 4454 |
break;
|
| 4455 |
case 0x58 ... 0x5f: /* pop */ |
| 4456 |
if (CODE64(s)) {
|
| 4457 |
ot = dflag ? OT_QUAD : OT_WORD; |
| 4458 |
} else {
|
| 4459 |
ot = dflag + OT_WORD; |
| 4460 |
} |
| 4461 |
gen_pop_T0(s); |
| 4462 |
/* NOTE: order is important for pop %sp */
|
| 4463 |
gen_pop_update(s); |
| 4464 |
gen_op_mov_reg_T0(ot, (b & 7) | REX_B(s));
|
| 4465 |
break;
|
| 4466 |
case 0x60: /* pusha */ |
| 4467 |
if (CODE64(s))
|
| 4468 |
goto illegal_op;
|
| 4469 |
gen_pusha(s); |
| 4470 |
break;
|
| 4471 |
case 0x61: /* popa */ |
| 4472 |
if (CODE64(s))
|
| 4473 |
goto illegal_op;
|
| 4474 |
gen_popa(s); |
| 4475 |
break;
|
| 4476 |
case 0x68: /* push Iv */ |
| 4477 |
case 0x6a: |
| 4478 |
if (CODE64(s)) {
|
| 4479 |
ot = dflag ? OT_QUAD : OT_WORD; |
| 4480 |
} else {
|
| 4481 |
ot = dflag + OT_WORD; |
| 4482 |
} |
| 4483 |
if (b == 0x68) |
| 4484 |
val = insn_get(s, ot); |
| 4485 |
else
|
| 4486 |
val = (int8_t)insn_get(s, OT_BYTE); |
| 4487 |
gen_op_movl_T0_im(val); |
| 4488 |
gen_push_T0(s); |
| 4489 |
break;
|
| 4490 |
case 0x8f: /* pop Ev */ |
| 4491 |
if (CODE64(s)) {
|
| 4492 |
ot = dflag ? OT_QUAD : OT_WORD; |
| 4493 |
} else {
|
| 4494 |
ot = dflag + OT_WORD; |
| 4495 |
} |
| 4496 |
modrm = ldub_code(s->pc++); |
| 4497 |
mod = (modrm >> 6) & 3; |
| 4498 |
gen_pop_T0(s); |
| 4499 |
if (mod == 3) { |
| 4500 |
/* NOTE: order is important for pop %sp */
|
| 4501 |
gen_pop_update(s); |
| 4502 |
rm = (modrm & 7) | REX_B(s);
|
| 4503 |
gen_op_mov_reg_T0(ot, rm); |
| 4504 |
} else {
|
| 4505 |
/* NOTE: order is important too for MMU exceptions */
|
| 4506 |
s->popl_esp_hack = 1 << ot;
|
| 4507 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
| 4508 |
s->popl_esp_hack = 0;
|
| 4509 |
gen_pop_update(s); |
| 4510 |
} |
| 4511 |
break;
|
| 4512 |
case 0xc8: /* enter */ |
| 4513 |
{
|
| 4514 |
int level;
|
| 4515 |
val = lduw_code(s->pc); |
| 4516 |
s->pc += 2;
|
| 4517 |
level = ldub_code(s->pc++); |
| 4518 |
gen_enter(s, val, level); |
| 4519 |
} |
| 4520 |
break;
|
| 4521 |
case 0xc9: /* leave */ |
| 4522 |
/* XXX: exception not precise (ESP is updated before potential exception) */
|
| 4523 |
if (CODE64(s)) {
|
| 4524 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EBP);
|
| 4525 |
gen_op_mov_reg_T0(OT_QUAD, R_ESP); |
| 4526 |
} else if (s->ss32) { |
| 4527 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EBP);
|
| 4528 |
gen_op_mov_reg_T0(OT_LONG, R_ESP); |
| 4529 |
} else {
|
| 4530 |
gen_op_mov_TN_reg(OT_WORD, 0, R_EBP);
|
| 4531 |
gen_op_mov_reg_T0(OT_WORD, R_ESP); |
| 4532 |
} |
| 4533 |
gen_pop_T0(s); |
| 4534 |
if (CODE64(s)) {
|
| 4535 |
ot = dflag ? OT_QUAD : OT_WORD; |
| 4536 |
} else {
|
| 4537 |
ot = dflag + OT_WORD; |
| 4538 |
} |
| 4539 |
gen_op_mov_reg_T0(ot, R_EBP); |
| 4540 |
gen_pop_update(s); |
| 4541 |
break;
|
| 4542 |
case 0x06: /* push es */ |
| 4543 |
case 0x0e: /* push cs */ |
| 4544 |
case 0x16: /* push ss */ |
| 4545 |
case 0x1e: /* push ds */ |
| 4546 |
if (CODE64(s))
|
| 4547 |
goto illegal_op;
|
| 4548 |
gen_op_movl_T0_seg(b >> 3);
|
| 4549 |
gen_push_T0(s); |
| 4550 |
break;
|
| 4551 |
case 0x1a0: /* push fs */ |
| 4552 |
case 0x1a8: /* push gs */ |
| 4553 |
gen_op_movl_T0_seg((b >> 3) & 7); |
| 4554 |
gen_push_T0(s); |
| 4555 |
break;
|
| 4556 |
case 0x07: /* pop es */ |
| 4557 |
case 0x17: /* pop ss */ |
| 4558 |
case 0x1f: /* pop ds */ |
| 4559 |
if (CODE64(s))
|
| 4560 |
goto illegal_op;
|
| 4561 |
reg = b >> 3;
|
| 4562 |
gen_pop_T0(s); |
| 4563 |
gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
| 4564 |
gen_pop_update(s); |
| 4565 |
if (reg == R_SS) {
|
| 4566 |
/* if reg == SS, inhibit interrupts/trace. */
|
| 4567 |
/* If several instructions disable interrupts, only the
|
| 4568 |
_first_ does it */
|
| 4569 |
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
| 4570 |
tcg_gen_helper_0_0(helper_set_inhibit_irq); |
| 4571 |
s->tf = 0;
|
| 4572 |
} |
| 4573 |
if (s->is_jmp) {
|
| 4574 |
gen_jmp_im(s->pc - s->cs_base); |
| 4575 |
gen_eob(s); |
| 4576 |
} |
| 4577 |
break;
|
| 4578 |
case 0x1a1: /* pop fs */ |
| 4579 |
case 0x1a9: /* pop gs */ |
| 4580 |
gen_pop_T0(s); |
| 4581 |
gen_movl_seg_T0(s, (b >> 3) & 7, pc_start - s->cs_base); |
| 4582 |
gen_pop_update(s); |
| 4583 |
if (s->is_jmp) {
|
| 4584 |
gen_jmp_im(s->pc - s->cs_base); |
| 4585 |
gen_eob(s); |
| 4586 |
} |
| 4587 |
break;
|
| 4588 |
|
| 4589 |
/**************************/
|
| 4590 |
/* mov */
|
| 4591 |
case 0x88: |
| 4592 |
case 0x89: /* mov Gv, Ev */ |
| 4593 |
if ((b & 1) == 0) |
| 4594 |
ot = OT_BYTE; |
| 4595 |
else
|
| 4596 |
ot = dflag + OT_WORD; |
| 4597 |
modrm = ldub_code(s->pc++); |
| 4598 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4599 |
|
| 4600 |
/* generate a generic store */
|
| 4601 |
gen_ldst_modrm(s, modrm, ot, reg, 1);
|
| 4602 |
break;
|
| 4603 |
case 0xc6: |
| 4604 |
case 0xc7: /* mov Ev, Iv */ |
| 4605 |
if ((b & 1) == 0) |
| 4606 |
ot = OT_BYTE; |
| 4607 |
else
|
| 4608 |
ot = dflag + OT_WORD; |
| 4609 |
modrm = ldub_code(s->pc++); |
| 4610 |
mod = (modrm >> 6) & 3; |
| 4611 |
if (mod != 3) { |
| 4612 |
s->rip_offset = insn_const_size(ot); |
| 4613 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4614 |
} |
| 4615 |
val = insn_get(s, ot); |
| 4616 |
gen_op_movl_T0_im(val); |
| 4617 |
if (mod != 3) |
| 4618 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 4619 |
else
|
| 4620 |
gen_op_mov_reg_T0(ot, (modrm & 7) | REX_B(s));
|
| 4621 |
break;
|
| 4622 |
case 0x8a: |
| 4623 |
case 0x8b: /* mov Ev, Gv */ |
| 4624 |
if ((b & 1) == 0) |
| 4625 |
ot = OT_BYTE; |
| 4626 |
else
|
| 4627 |
ot = OT_WORD + dflag; |
| 4628 |
modrm = ldub_code(s->pc++); |
| 4629 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4630 |
|
| 4631 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
|
| 4632 |
gen_op_mov_reg_T0(ot, reg); |
| 4633 |
break;
|
| 4634 |
case 0x8e: /* mov seg, Gv */ |
| 4635 |
modrm = ldub_code(s->pc++); |
| 4636 |
reg = (modrm >> 3) & 7; |
| 4637 |
if (reg >= 6 || reg == R_CS) |
| 4638 |
goto illegal_op;
|
| 4639 |
gen_ldst_modrm(s, modrm, OT_WORD, OR_TMP0, 0);
|
| 4640 |
gen_movl_seg_T0(s, reg, pc_start - s->cs_base); |
| 4641 |
if (reg == R_SS) {
|
| 4642 |
/* if reg == SS, inhibit interrupts/trace */
|
| 4643 |
/* If several instructions disable interrupts, only the
|
| 4644 |
_first_ does it */
|
| 4645 |
if (!(s->tb->flags & HF_INHIBIT_IRQ_MASK))
|
| 4646 |
tcg_gen_helper_0_0(helper_set_inhibit_irq); |
| 4647 |
s->tf = 0;
|
| 4648 |
} |
| 4649 |
if (s->is_jmp) {
|
| 4650 |
gen_jmp_im(s->pc - s->cs_base); |
| 4651 |
gen_eob(s); |
| 4652 |
} |
| 4653 |
break;
|
| 4654 |
case 0x8c: /* mov Gv, seg */ |
| 4655 |
modrm = ldub_code(s->pc++); |
| 4656 |
reg = (modrm >> 3) & 7; |
| 4657 |
mod = (modrm >> 6) & 3; |
| 4658 |
if (reg >= 6) |
| 4659 |
goto illegal_op;
|
| 4660 |
gen_op_movl_T0_seg(reg); |
| 4661 |
if (mod == 3) |
| 4662 |
ot = OT_WORD + dflag; |
| 4663 |
else
|
| 4664 |
ot = OT_WORD; |
| 4665 |
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
|
| 4666 |
break;
|
| 4667 |
|
| 4668 |
case 0x1b6: /* movzbS Gv, Eb */ |
| 4669 |
case 0x1b7: /* movzwS Gv, Eb */ |
| 4670 |
case 0x1be: /* movsbS Gv, Eb */ |
| 4671 |
case 0x1bf: /* movswS Gv, Eb */ |
| 4672 |
{
|
| 4673 |
int d_ot;
|
| 4674 |
/* d_ot is the size of destination */
|
| 4675 |
d_ot = dflag + OT_WORD; |
| 4676 |
/* ot is the size of source */
|
| 4677 |
ot = (b & 1) + OT_BYTE;
|
| 4678 |
modrm = ldub_code(s->pc++); |
| 4679 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4680 |
mod = (modrm >> 6) & 3; |
| 4681 |
rm = (modrm & 7) | REX_B(s);
|
| 4682 |
|
| 4683 |
if (mod == 3) { |
| 4684 |
gen_op_mov_TN_reg(ot, 0, rm);
|
| 4685 |
switch(ot | (b & 8)) { |
| 4686 |
case OT_BYTE:
|
| 4687 |
tcg_gen_ext8u_tl(cpu_T[0], cpu_T[0]); |
| 4688 |
break;
|
| 4689 |
case OT_BYTE | 8: |
| 4690 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[0]); |
| 4691 |
break;
|
| 4692 |
case OT_WORD:
|
| 4693 |
tcg_gen_ext16u_tl(cpu_T[0], cpu_T[0]); |
| 4694 |
break;
|
| 4695 |
default:
|
| 4696 |
case OT_WORD | 8: |
| 4697 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[0]); |
| 4698 |
break;
|
| 4699 |
} |
| 4700 |
gen_op_mov_reg_T0(d_ot, reg); |
| 4701 |
} else {
|
| 4702 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4703 |
if (b & 8) { |
| 4704 |
gen_op_lds_T0_A0(ot + s->mem_index); |
| 4705 |
} else {
|
| 4706 |
gen_op_ldu_T0_A0(ot + s->mem_index); |
| 4707 |
} |
| 4708 |
gen_op_mov_reg_T0(d_ot, reg); |
| 4709 |
} |
| 4710 |
} |
| 4711 |
break;
|
| 4712 |
|
| 4713 |
case 0x8d: /* lea */ |
| 4714 |
ot = dflag + OT_WORD; |
| 4715 |
modrm = ldub_code(s->pc++); |
| 4716 |
mod = (modrm >> 6) & 3; |
| 4717 |
if (mod == 3) |
| 4718 |
goto illegal_op;
|
| 4719 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4720 |
/* we must ensure that no segment is added */
|
| 4721 |
s->override = -1;
|
| 4722 |
val = s->addseg; |
| 4723 |
s->addseg = 0;
|
| 4724 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4725 |
s->addseg = val; |
| 4726 |
gen_op_mov_reg_A0(ot - OT_WORD, reg); |
| 4727 |
break;
|
| 4728 |
|
| 4729 |
case 0xa0: /* mov EAX, Ov */ |
| 4730 |
case 0xa1: |
| 4731 |
case 0xa2: /* mov Ov, EAX */ |
| 4732 |
case 0xa3: |
| 4733 |
{
|
| 4734 |
target_ulong offset_addr; |
| 4735 |
|
| 4736 |
if ((b & 1) == 0) |
| 4737 |
ot = OT_BYTE; |
| 4738 |
else
|
| 4739 |
ot = dflag + OT_WORD; |
| 4740 |
#ifdef TARGET_X86_64
|
| 4741 |
if (s->aflag == 2) { |
| 4742 |
offset_addr = ldq_code(s->pc); |
| 4743 |
s->pc += 8;
|
| 4744 |
gen_op_movq_A0_im(offset_addr); |
| 4745 |
} else
|
| 4746 |
#endif
|
| 4747 |
{
|
| 4748 |
if (s->aflag) {
|
| 4749 |
offset_addr = insn_get(s, OT_LONG); |
| 4750 |
} else {
|
| 4751 |
offset_addr = insn_get(s, OT_WORD); |
| 4752 |
} |
| 4753 |
gen_op_movl_A0_im(offset_addr); |
| 4754 |
} |
| 4755 |
gen_add_A0_ds_seg(s); |
| 4756 |
if ((b & 2) == 0) { |
| 4757 |
gen_op_ld_T0_A0(ot + s->mem_index); |
| 4758 |
gen_op_mov_reg_T0(ot, R_EAX); |
| 4759 |
} else {
|
| 4760 |
gen_op_mov_TN_reg(ot, 0, R_EAX);
|
| 4761 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 4762 |
} |
| 4763 |
} |
| 4764 |
break;
|
| 4765 |
case 0xd7: /* xlat */ |
| 4766 |
#ifdef TARGET_X86_64
|
| 4767 |
if (s->aflag == 2) { |
| 4768 |
gen_op_movq_A0_reg(R_EBX); |
| 4769 |
gen_op_mov_TN_reg(OT_QUAD, 0, R_EAX);
|
| 4770 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
| 4771 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
| 4772 |
} else
|
| 4773 |
#endif
|
| 4774 |
{
|
| 4775 |
gen_op_movl_A0_reg(R_EBX); |
| 4776 |
gen_op_mov_TN_reg(OT_LONG, 0, R_EAX);
|
| 4777 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0xff); |
| 4778 |
tcg_gen_add_tl(cpu_A0, cpu_A0, cpu_T[0]);
|
| 4779 |
if (s->aflag == 0) |
| 4780 |
gen_op_andl_A0_ffff(); |
| 4781 |
else
|
| 4782 |
tcg_gen_andi_tl(cpu_A0, cpu_A0, 0xffffffff);
|
| 4783 |
} |
| 4784 |
gen_add_A0_ds_seg(s); |
| 4785 |
gen_op_ldu_T0_A0(OT_BYTE + s->mem_index); |
| 4786 |
gen_op_mov_reg_T0(OT_BYTE, R_EAX); |
| 4787 |
break;
|
| 4788 |
case 0xb0 ... 0xb7: /* mov R, Ib */ |
| 4789 |
val = insn_get(s, OT_BYTE); |
| 4790 |
gen_op_movl_T0_im(val); |
| 4791 |
gen_op_mov_reg_T0(OT_BYTE, (b & 7) | REX_B(s));
|
| 4792 |
break;
|
| 4793 |
case 0xb8 ... 0xbf: /* mov R, Iv */ |
| 4794 |
#ifdef TARGET_X86_64
|
| 4795 |
if (dflag == 2) { |
| 4796 |
uint64_t tmp; |
| 4797 |
/* 64 bit case */
|
| 4798 |
tmp = ldq_code(s->pc); |
| 4799 |
s->pc += 8;
|
| 4800 |
reg = (b & 7) | REX_B(s);
|
| 4801 |
gen_movtl_T0_im(tmp); |
| 4802 |
gen_op_mov_reg_T0(OT_QUAD, reg); |
| 4803 |
} else
|
| 4804 |
#endif
|
| 4805 |
{
|
| 4806 |
ot = dflag ? OT_LONG : OT_WORD; |
| 4807 |
val = insn_get(s, ot); |
| 4808 |
reg = (b & 7) | REX_B(s);
|
| 4809 |
gen_op_movl_T0_im(val); |
| 4810 |
gen_op_mov_reg_T0(ot, reg); |
| 4811 |
} |
| 4812 |
break;
|
| 4813 |
|
| 4814 |
case 0x91 ... 0x97: /* xchg R, EAX */ |
| 4815 |
ot = dflag + OT_WORD; |
| 4816 |
reg = (b & 7) | REX_B(s);
|
| 4817 |
rm = R_EAX; |
| 4818 |
goto do_xchg_reg;
|
| 4819 |
case 0x86: |
| 4820 |
case 0x87: /* xchg Ev, Gv */ |
| 4821 |
if ((b & 1) == 0) |
| 4822 |
ot = OT_BYTE; |
| 4823 |
else
|
| 4824 |
ot = dflag + OT_WORD; |
| 4825 |
modrm = ldub_code(s->pc++); |
| 4826 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4827 |
mod = (modrm >> 6) & 3; |
| 4828 |
if (mod == 3) { |
| 4829 |
rm = (modrm & 7) | REX_B(s);
|
| 4830 |
do_xchg_reg:
|
| 4831 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 4832 |
gen_op_mov_TN_reg(ot, 1, rm);
|
| 4833 |
gen_op_mov_reg_T0(ot, rm); |
| 4834 |
gen_op_mov_reg_T1(ot, reg); |
| 4835 |
} else {
|
| 4836 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4837 |
gen_op_mov_TN_reg(ot, 0, reg);
|
| 4838 |
/* for xchg, lock is implicit */
|
| 4839 |
if (!(prefixes & PREFIX_LOCK))
|
| 4840 |
tcg_gen_helper_0_0(helper_lock); |
| 4841 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 4842 |
gen_op_st_T0_A0(ot + s->mem_index); |
| 4843 |
if (!(prefixes & PREFIX_LOCK))
|
| 4844 |
tcg_gen_helper_0_0(helper_unlock); |
| 4845 |
gen_op_mov_reg_T1(ot, reg); |
| 4846 |
} |
| 4847 |
break;
|
| 4848 |
case 0xc4: /* les Gv */ |
| 4849 |
if (CODE64(s))
|
| 4850 |
goto illegal_op;
|
| 4851 |
op = R_ES; |
| 4852 |
goto do_lxx;
|
| 4853 |
case 0xc5: /* lds Gv */ |
| 4854 |
if (CODE64(s))
|
| 4855 |
goto illegal_op;
|
| 4856 |
op = R_DS; |
| 4857 |
goto do_lxx;
|
| 4858 |
case 0x1b2: /* lss Gv */ |
| 4859 |
op = R_SS; |
| 4860 |
goto do_lxx;
|
| 4861 |
case 0x1b4: /* lfs Gv */ |
| 4862 |
op = R_FS; |
| 4863 |
goto do_lxx;
|
| 4864 |
case 0x1b5: /* lgs Gv */ |
| 4865 |
op = R_GS; |
| 4866 |
do_lxx:
|
| 4867 |
ot = dflag ? OT_LONG : OT_WORD; |
| 4868 |
modrm = ldub_code(s->pc++); |
| 4869 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4870 |
mod = (modrm >> 6) & 3; |
| 4871 |
if (mod == 3) |
| 4872 |
goto illegal_op;
|
| 4873 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4874 |
gen_op_ld_T1_A0(ot + s->mem_index); |
| 4875 |
gen_add_A0_im(s, 1 << (ot - OT_WORD + 1)); |
| 4876 |
/* load the segment first to handle exceptions properly */
|
| 4877 |
gen_op_ldu_T0_A0(OT_WORD + s->mem_index); |
| 4878 |
gen_movl_seg_T0(s, op, pc_start - s->cs_base); |
| 4879 |
/* then put the data */
|
| 4880 |
gen_op_mov_reg_T1(ot, reg); |
| 4881 |
if (s->is_jmp) {
|
| 4882 |
gen_jmp_im(s->pc - s->cs_base); |
| 4883 |
gen_eob(s); |
| 4884 |
} |
| 4885 |
break;
|
| 4886 |
|
| 4887 |
/************************/
|
| 4888 |
/* shifts */
|
| 4889 |
case 0xc0: |
| 4890 |
case 0xc1: |
| 4891 |
/* shift Ev,Ib */
|
| 4892 |
shift = 2;
|
| 4893 |
grp2:
|
| 4894 |
{
|
| 4895 |
if ((b & 1) == 0) |
| 4896 |
ot = OT_BYTE; |
| 4897 |
else
|
| 4898 |
ot = dflag + OT_WORD; |
| 4899 |
|
| 4900 |
modrm = ldub_code(s->pc++); |
| 4901 |
mod = (modrm >> 6) & 3; |
| 4902 |
op = (modrm >> 3) & 7; |
| 4903 |
|
| 4904 |
if (mod != 3) { |
| 4905 |
if (shift == 2) { |
| 4906 |
s->rip_offset = 1;
|
| 4907 |
} |
| 4908 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4909 |
opreg = OR_TMP0; |
| 4910 |
} else {
|
| 4911 |
opreg = (modrm & 7) | REX_B(s);
|
| 4912 |
} |
| 4913 |
|
| 4914 |
/* simpler op */
|
| 4915 |
if (shift == 0) { |
| 4916 |
gen_shift(s, op, ot, opreg, OR_ECX); |
| 4917 |
} else {
|
| 4918 |
if (shift == 2) { |
| 4919 |
shift = ldub_code(s->pc++); |
| 4920 |
} |
| 4921 |
gen_shifti(s, op, ot, opreg, shift); |
| 4922 |
} |
| 4923 |
} |
| 4924 |
break;
|
| 4925 |
case 0xd0: |
| 4926 |
case 0xd1: |
| 4927 |
/* shift Ev,1 */
|
| 4928 |
shift = 1;
|
| 4929 |
goto grp2;
|
| 4930 |
case 0xd2: |
| 4931 |
case 0xd3: |
| 4932 |
/* shift Ev,cl */
|
| 4933 |
shift = 0;
|
| 4934 |
goto grp2;
|
| 4935 |
|
| 4936 |
case 0x1a4: /* shld imm */ |
| 4937 |
op = 0;
|
| 4938 |
shift = 1;
|
| 4939 |
goto do_shiftd;
|
| 4940 |
case 0x1a5: /* shld cl */ |
| 4941 |
op = 0;
|
| 4942 |
shift = 0;
|
| 4943 |
goto do_shiftd;
|
| 4944 |
case 0x1ac: /* shrd imm */ |
| 4945 |
op = 1;
|
| 4946 |
shift = 1;
|
| 4947 |
goto do_shiftd;
|
| 4948 |
case 0x1ad: /* shrd cl */ |
| 4949 |
op = 1;
|
| 4950 |
shift = 0;
|
| 4951 |
do_shiftd:
|
| 4952 |
ot = dflag + OT_WORD; |
| 4953 |
modrm = ldub_code(s->pc++); |
| 4954 |
mod = (modrm >> 6) & 3; |
| 4955 |
rm = (modrm & 7) | REX_B(s);
|
| 4956 |
reg = ((modrm >> 3) & 7) | rex_r; |
| 4957 |
if (mod != 3) { |
| 4958 |
gen_lea_modrm(s, modrm, ®_addr, &offset_addr); |
| 4959 |
opreg = OR_TMP0; |
| 4960 |
} else {
|
| 4961 |
opreg = rm; |
| 4962 |
} |
| 4963 |
gen_op_mov_TN_reg(ot, 1, reg);
|
| 4964 |
|
| 4965 |
if (shift) {
|
| 4966 |
val = ldub_code(s->pc++); |
| 4967 |
tcg_gen_movi_tl(cpu_T3, val); |
| 4968 |
} else {
|
| 4969 |
tcg_gen_ld_tl(cpu_T3, cpu_env, offsetof(CPUState, regs[R_ECX])); |